{
 "row": 35,
 "line": {
  "name": "L2",
  "x": "17/2",
  "z": "7/4",
  "mt2": "1",
  "variable": "y",
  "connection": "row35_L2/connection_L2.json (A_entries)"
 },
 "what": "the canonical-basis census of the 35 non-elliptic diagonal blocks of the line connection: each block run through the eps-factoriser by itself; 29 admit a rational rotation T(eps, y) to an eps-factorised dlog form eps * Atilde(y), 6 stop (the engine's stop string verbatim, its class by name); sector 481 (rows 54-59, n = 6): the maximal-cut curve is elliptic (j non-constant in z5); the eps^0 block is reducible to first order -- six exact hyperexponential factors, see the sector_481 entry",
 "form": {
  "T_Atilde": "the engine's string matrices in (eps, x), x == y on the line, nested lists COLUMN-major (json[j][i] = M[i][j]); rational literals as p//q; verbatim from the engine's out file",
  "identity": "T A T^-1 + (dT/dy) T^-1 == eps * Atilde, A the block of the line connection at d = 4 - 2 eps",
  "residues": "row-major nested lists (json[i][j] = R[i][j]) of exact rationals p/q: the residue matrix of Atilde at each rational pole (letters.poles, the same order), Rinf the residue at infinity, quad_kernels[q] the (U y + V)/q(y) term of the quadratic letter q (U, V row-major)",
  "dlog_form": "Atilde(y) == sum_p residues[p]/(y - p) + sum_q (U_q y + V_q)/q(y) exactly; Rinf == -(sum_p residues[p] + sum_q U_q / lead(q))",
  "alphabet_letters": "each rational pole named by the alphabet letter whose restriction to this line vanishes there (quadratic_alphabet_letter: the letter whose restriction is the quadratic factor)",
  "sector_487_entry": "the sector-487 entry carries, beside the OK-block keys, basis_change (the cut-IBP dictionary C over the served four, the transcribed rotation, S = T_transcribed . C written as this block's T, det C, the receipts by sha256, the engine report) and served_basis_stop (the stop entry of the served basis, kept beside as the record); letters.quadratic_alphabet_letters states the two-variable form of each quadratic factor as a restriction check to this line only",
  "sector_481": "the sector-481 entry beside blocks[] (the sector is not in blocks[]: not run through the eps-factoriser; census.elliptic_not_run names it): the label, the maximal-cut curve statement in the served text's words, eps0_block_chain = the first-order factorisation receipt of the served block on this line at d = 4 in y (verdict, size, remainder_rank, the six chain factors verbatim -- exponents per singular factor as [factor, exponent] pairs (search labels; the canonical exponents are the residues of rate_u_prime_over_u, rate_partial_fractions), degree_bound, P (the polynomial vector), n_solutions_at_this_exponent, rate_u_prime_over_u, rate_partial_fractions -- the search_log, the bounds EB / NB / MAXCOMBO, the versions, the wall; the input by basename + sha256), rays (the two mass-scaling rays P and E: the ray block receipts and their chain receipts by sha256, verdicts), controls (the S-vs-N block control, the thimble receipts with their digit figures, the built-in C1-C4 of the served script), provenance_scripts (the block extractor and the ray config maker, as text; not runnable from this bundle); every receipt named by its vendored sha256 and its original sha256"
 },
 "check_points": [
  [
   "1/223",
   "29/211"
  ],
  [
   "5/6",
   "17/139"
  ]
 ],
 "eps_free_shift": "1/97",
 "census": {
  "n_blocks": 35,
  "n_ok": 29,
  "n_stopped": 6,
  "ok_sectors": [
   262,
   294,
   98,
   321,
   322,
   326,
   327,
   353,
   354,
   355,
   358,
   359,
   161,
   167,
   384,
   388,
   416,
   420,
   422,
   423,
   225,
   227,
   231,
   455,
   480,
   484,
   485,
   486,
   487
  ],
  "stopped_by_class": {
   "Moser-irreducible": [
    417,
    449
   ],
   "eps^0 obstruction": [
    421,
    453,
    482,
    483
   ]
  },
  "elliptic_not_run": {
   "sector": 481,
   "rows": [
    54,
    59
   ],
   "n": 6
  },
  "line_text": "29 OK / 6 stopped (2 Moser-irreducible + 4 eps^0) / 1 elliptic"
 },
 "sources": {
  "engine": {
   "Normalize.jl": "4c5772a76f92d0d291a55c5427d55cc6e55798a1133d0d59a9fd4074bef54ea0",
   "Fuchsia.jl": "8a8c7369f13e5dcb7e27ecad8cd1bc2d2e07cde3a6d3bef5f8a1841347ef76f2"
  },
  "runner_sha256": "6e497c73cda9a1da9c7d1ab3c1a11f2b0e18558c9be02ebed9ceacbc61b859d5",
  "verifier_sha256": "857543b36073fe1047e5e62ac16b78f0263dfb753f3d24d94876cf2e510f2a84",
  "out_files": "the engine's out file per block (blocks[*].source: file name + sha256)",
  "receipt_sha256_16": "a675806bd6068dec",
  "alphabet_census_sha256_16": "cd1b7bf207d0d5e0",
  "p1c_receipt_sha256_16": "875b7217badfe6e2",
  "live_receipt_sha256_16": "e9ba6a61677fdec5"
 },
 "blocks": [
  {
   "sector": 262,
   "n": 1,
   "rows": [
    0
   ],
   "masters": [
    "wpairT4[0,1,1,0,0,0,0,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1"
    ]
   ],
   "Atilde": [
    [
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b262.json",
    "sha256": "ccb64f8cd61655a4d9b74376f94e551e55c9ec6897c09266b29cdf2c7ee56fcb"
   }
  },
  {
   "sector": 294,
   "n": 1,
   "rows": [
    1
   ],
   "masters": [
    "wpairT4[0,1,1,0,0,1,0,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1"
    ]
   ],
   "Atilde": [
    [
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b294.json",
    "sha256": "a76bbc5979b1b7c0f80a908438c27d450552d5f7d32c02700b52c9369b5f6cf3"
   }
  },
  {
   "sector": 98,
   "n": 1,
   "rows": [
    2
   ],
   "masters": [
    "wpairT4[0,1,0,0,0,1,1,0,0]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1"
    ]
   ],
   "Atilde": [
    [
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b98.json",
    "sha256": "9a05dde16dbee3a658f620758dc37cd67a29688596164a3b1b1b31b6e979e29e"
   }
  },
  {
   "sector": 321,
   "n": 2,
   "rows": [
    3,
    4
   ],
   "masters": [
    "wpairT4[1,0,0,0,0,0,1,0,1]",
    "wpairT4[1,-1,0,0,0,0,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "(-35//27//(eps^2 - eps + 2//9)*x^3 + (385//36*eps^2 - 385//36*eps + 35//18)//(eps^4 - 2*eps^3 + 11//9*eps^2 - 2//9*eps)*x^2 + 35//18//(eps^2 - eps + 2//9)*x + 35//108//(eps^2 - eps + 2//9))//(x^3 + 3*x^2 + 3*x + 1)",
     "(26//27//(eps^2 - eps + 2//9)*x^3 + (-364//27*eps^2 + 130//9*eps - 26//9)//(eps^4 - 2*eps^3 + 11//9*eps^2 - 2//9*eps)*x^2 + (26//27*eps)//(eps^3 - 2*eps^2 + 11//9*eps - 2//9)*x)//(x^3 + 3*x^2 + 3*x + 1)"
    ],
    [
     "(35//9//(eps^2 - eps + 2//9)*x^3 + (-245//18*eps + 35//9)//(eps^3 - eps^2 + 2//9*eps)*x^2 - 35//18//(eps^2 - eps + 2//9)*x)//(x^4 + 5//4*x^3 - 9//4*x^2 - 17//4*x - 7//4)",
     "(-26//9//(eps^2 - eps + 2//9)*x^3 + (182//9*eps - 52//9)//(eps^3 - eps^2 + 2//9*eps)*x^2)//(x^4 + 5//4*x^3 - 9//4*x^2 - 17//4*x - 7//4)"
    ]
   ],
   "Atilde": [
    [
     "2//(x + 1)",
     "-104//35//(x + 1)"
    ],
    [
     "105//26//(x + 1)",
     "(-5*x + 1)//(x^2 + x)"
    ]
   ],
   "letters": {
    "engine_string": "([\"x\", \"x - (-1)\"], Dict{String, Any}(\"0\" => [0 0; 0 1], \"inf\" => [-2 -105//26; 104//35 5], \"-1\" => [2 105//26; -104//35 -6]))",
    "poles": [
     "0",
     "-1"
    ],
    "alphabet_letters": {
     "0": "y",
     "-1": "y + 1"
    },
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {
     "0": [
      [
       "0",
       "0"
      ],
      [
       "0",
       "1"
      ]
     ],
     "-1": [
      [
       "2",
       "105/26"
      ],
      [
       "-104/35",
       "-6"
      ]
     ]
    },
    "Rinf": [
     [
      "-2",
      "-105/26"
     ],
     [
      "104/35",
      "5"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b321.json",
    "sha256": "f0b223d27b79ae5ead53d5d00cff1ce4bd739d847f630dc351a3f4369335329f"
   }
  },
  {
   "sector": 322,
   "n": 2,
   "rows": [
    5,
    6
   ],
   "masters": [
    "wpairT4[0,1,0,0,0,0,1,0,1]",
    "wpairT4[-1,1,0,0,0,0,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1",
     "0"
    ],
    [
     "0",
     "1//(x - 7//4)"
    ]
   ],
   "Atilde": [
    [
     "0",
     "0"
    ],
    [
     "0",
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0 0; 0 0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0",
      "0"
     ],
     [
      "0",
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b322.json",
    "sha256": "82e632dca4faebb8922a171a331fcb8296929ec6cad345e3d701fbbb609662bf"
   }
  },
  {
   "sector": 326,
   "n": 3,
   "rows": [
    7,
    8,
    9
   ],
   "masters": [
    "wpairT4[0,1,1,0,0,0,1,0,1]",
    "wpairT4[-1,1,1,0,0,0,1,0,1]",
    "wpairT4[0,1,1,0,0,-1,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1",
     "(17//4*x + 51//8)//(x + 5//2)",
     "0"
    ],
    [
     "0",
     "1//(x + 5//2)",
     "0"
    ],
    [
     "0",
     "0",
     "1"
    ]
   ],
   "Atilde": [
    [
     "0",
     "0",
     "0"
    ],
    [
     "0",
     "0",
     "0"
    ],
    [
     "0",
     "0",
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0 0 0; 0 0 0; 0 0 0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0",
      "0",
      "0"
     ],
     [
      "0",
      "0",
      "0"
     ],
     [
      "0",
      "0",
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b326.json",
    "sha256": "911c1fb11aa4c41875de6f92112fbe4c724d956f3a1ec8613a9c4b3f218ced5d"
   }
  },
  {
   "sector": 327,
   "n": 2,
   "rows": [
    10,
    11
   ],
   "masters": [
    "wpairT4[1,1,1,0,0,0,1,0,1]",
    "wpairT4[1,1,1,0,0,-1,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "((1//3*eps - 1//3)//(eps - 1//3)*x^3 + 1//4*x^2 + (19//2*eps - 5//2)//(eps - 1)*x + (-7//4*eps - 7//4)//(eps - 1))//(x^2 + (25//4*eps - 11//4)//(eps - 1)*x + (21//4*eps - 7//4)//(eps - 1))",
     "((-5//12*eps + 5//12)//(eps - 1//3)*x^3 + (-7//48*eps + 5//48)//(eps - 1//3)*x^2 + (-39//4*eps + 15//8)//(eps - 1)*x + (21//16*eps + 21//16)//(eps - 1))//(x^2 + (25//4*eps - 11//4)//(eps - 1)*x + (21//4*eps - 7//4)//(eps - 1))"
    ],
    [
     "(-2*x^2 + 2*x)//(x^2 + (25//4*eps - 11//4)//(eps - 1)*x + (21//4*eps - 7//4)//(eps - 1))",
     "(5//2*x^2 - 3//2*x)//(x^2 + (25//4*eps - 11//4)//(eps - 1)*x + (21//4*eps - 7//4)//(eps - 1))"
    ]
   ],
   "Atilde": [
    [
     "(-10*x^2 - 53*x - 127//4)//(x^3 + 6*x^2 + 129//16*x + 49//16)",
     "(45//4*x - 3//4)//(x^2 + x)"
    ],
    [
     "-8//(x + 1)",
     "(9*x^3 + 41*x^2 + 343//16*x - 49//16)//(x^4 + 6*x^3 + 129//16*x^2 + 49//16*x)"
    ]
   ],
   "letters": {
    "engine_string": "([\"x\", \"x - (-1)\"], Dict{String, Any}(\"_algebraic_factors\" => [\"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 49\"], \"0\" => [0 0; -3//4 -1], \"inf\" => [10 8; -45//4 -9], \"-1\" => [-12 -8; 12 8]))",
    "poles": [
     "0",
     "-1"
    ],
    "alphabet_letters": {
     "0": "y",
     "-1": "y + 1"
    },
    "algebraic_factors": [
     "16*x^2 + 80*x + 49"
    ],
    "quadratic_alphabet_letter": "x*y + y**2 - 2*y*z + z**2",
    "residues": {
     "0": [
      [
       "0",
       "0"
      ],
      [
       "-3/4",
       "-1"
      ]
     ],
     "-1": [
      [
       "-12",
       "-8"
      ],
      [
       "12",
       "8"
      ]
     ]
    },
    "Rinf": [
     [
      "10",
      "8"
     ],
     [
      "-45/4",
      "-9"
     ]
    ],
    "quad_kernels": {
     "16*x^2 + 80*x + 49": {
      "U": [
       [
        "32",
        "0"
       ],
       [
        "0",
        "32"
       ]
      ],
      "V": [
       [
        "80",
        "0"
       ],
       [
        "0",
        "80"
       ]
      ]
     }
    }
   },
   "source": {
    "file": "out_b327.json",
    "sha256": "83224b1758ab01ce0737aa3598e7f4514115cd1abb7aabe461529b0e13c5b01c"
   }
  },
  {
   "sector": 353,
   "n": 1,
   "rows": [
    12
   ],
   "masters": [
    "wpairT4[1,0,0,0,0,1,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1"
    ]
   ],
   "Atilde": [
    [
     "-1//(x - 7//4)"
    ]
   ],
   "letters": {
    "engine_string": "([\"x - (7//4)\"], Dict{String, Any}(\"7//4\" => [-1], \"inf\" => [1]))",
    "poles": [
     "7/4"
    ],
    "alphabet_letters": {
     "7/4": "y - z"
    },
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {
     "7/4": [
      [
       "-1"
      ]
     ]
    },
    "Rinf": [
     [
      "1"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b353.json",
    "sha256": "6e24ae0da998ae12aa946747e6db6648f3c366d0bccb98dbdae42abf36a3f12f"
   }
  },
  {
   "sector": 354,
   "n": 2,
   "rows": [
    13,
    14
   ],
   "masters": [
    "wpairT4[0,1,0,0,0,1,1,0,1]",
    "wpairT4[-1,1,0,0,0,1,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1",
     "(23//8*x + 207//32)//(x + 13//4)"
    ],
    [
     "0",
     "1//(x + 13//4)"
    ]
   ],
   "Atilde": [
    [
     "0",
     "0"
    ],
    [
     "0",
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0 0; 0 0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0",
      "0"
     ],
     [
      "0",
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b354.json",
    "sha256": "2dbb950e708803135500e7f86b309e2fdb3d4ea7778b51b8ba29ca7c29e95005"
   }
  },
  {
   "sector": 355,
   "n": 2,
   "rows": [
    15,
    16
   ],
   "masters": [
    "wpairT4[1,1,0,0,0,1,1,0,1]",
    "wpairT4[1,1,-1,0,0,1,1,0,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "(3145//132//(eps^2 - 1//3*eps)*x^3 + (248455//2904*eps - 292485//3872)//(eps^3 - 5//6*eps^2 + 1//6*eps)*x^2 + (50725705//23232*eps^2 - 65689615//46464*eps + 13639865//46464)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps)*x + (131558495//46464*eps^2 - 104838575//61952*eps + 53254285//185856)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps))//(x^2 + (-611//44*eps + 135//44)//(eps - 1)*x + (-655//44*eps + 179//44)//(eps - 1))",
     "(-2771//88//(eps^2 - 1//2*eps)*x^3 + (-2771//5808*eps^2 + 2097647//11616*eps - 257703//3872)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps)*x^2 + (-36413711//46464*eps^2 + 22896773//23232*eps - 12017827//46464)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps)*x + (-33454283//23232*eps^2 + 74514961//61952*eps - 46921343//185856)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps))//(x^2 + (-611//44*eps + 135//44)//(eps - 1)*x + (-655//44*eps + 179//44)//(eps - 1))"
    ],
    [
     "(185//22//(eps^2 - eps)*x^3 + 120805//968//(eps^2 - eps)*x^2 + 2072925//3872//(eps^2 - eps)*x + 7957035//15488//(eps^2 - eps))//(x^2 + (-611//44*eps + 135//44)//(eps - 1)*x + (-655//44*eps + 179//44)//(eps - 1))",
     "(-163//22//(eps^2 - eps)*x^3 - 106439//968//(eps^2 - eps)*x^2 - 1826415//3872//(eps^2 - eps)*x - 7010793//15488//(eps^2 - eps))//(x^2 + (-611//44*eps + 135//44)//(eps - 1)*x + (-655//44*eps + 179//44)//(eps - 1))"
    ]
   ],
   "Atilde": [
    [
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   ],
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   ],
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   ],
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    "alphabet_letters": {
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    43
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    "wpairT4[1,1,-1,0,0,1,1,1,0]"
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   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
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     "(-901//132//(eps^2 - 1//3*eps)*x^3 + (-226151//2904*eps + 114427//3872)//(eps^3 - 5//6*eps^2 + 1//6*eps)*x^2 + (-20731109//23232*eps^2 + 11018329//15488*eps - 5745677//46464)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps)*x + (-39601653//15488*eps^2 + 309705235//185856*eps - 41632507//185856)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps))//(x^2 + (1051//44*eps - 575//44)//(eps - 1)*x + (875//11*eps - 399//11)//(eps - 1))",
     "(1275//88//(eps^2 - 1//2*eps)*x^3 + (420325//1936*eps^2 - 800275//3872*eps + 161925//3872)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps)*x^2 + (22380925//15488*eps^2 - 8297275//7744*eps + 2710225//15488)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps)*x + (45627575//15488*eps^2 - 127094975//61952*eps + 19637975//61952)//(eps^4 - 11//6*eps^3 + eps^2 - 1//6*eps))//(x^2 + (1051//44*eps - 575//44)//(eps - 1)*x + (875//11*eps - 399//11)//(eps - 1))"
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       [
        "12000/53",
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      ]
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   "stop_class": "OK",
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   ],
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     "(17//2*x + 221//8)//(x^3 + 47//4*x^2 + 589//16*x + 1323//64)"
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   "stop_class": "Moser-irreducible",
   "stop": "input not Fuchsian and Moser reduction failed: global pole-order excess stalled at 2 for 21 steps (Moser-irreducible obstruction)",
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   "stop": "no eps^0-reducing balance found and constant eps-decoupling failed; the eps^0 obstruction is not removable by the implemented moves (genuine coupled-DE obstruction \u2014 METHOD sec.6 / higher Poincare rank)",
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    "sha256": "b6218337925e576ded64cd1c2a499a48ed52eb203bdb2f6a3e319981e5b07b52"
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   "ok": true,
   "stop_class": "OK",
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     "((187//4*eps + 187//8)*x - 1309//16*eps - 1309//32)//(x + 7*eps + 7//4)"
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   ],
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    "sha256": "a95b4f6c5103912a380b398d5dbf1a0b02bd14a1e742e3024f4dc21466843e9a"
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   "masters": [
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   "stop_class": "OK",
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    "sha256": "a7a3bbc0e3f63df56e7ef18803f7e0e91b1b4fcef58784f6fd55b988c00e6840"
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    "wpairT4[1,0,1,-1,0,1,1,1,1]",
    "wpairT4[1,0,1,0,-1,1,1,1,1]"
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   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
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     "0",
     "17//2*x - 187//8"
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    [
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     "(-3587//8*x^2 + 90865//352*x + 2113321//704)//(x^3 + 13//4*x^2 - 91//16*x - 343//64)",
     "255//8//(x^2 + 5*x + 49//16)",
     "(-3961//8*x^2 + 103955//352*x + 2346323//704)//(x^3 + 13//4*x^2 - 91//16*x - 343//64)"
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     "(-76//11*x^2 - 590//11*x - 3031//44)//(x^4 + 10*x^3 + 65//4*x^2 - 175//4*x - 9261//256)",
     "(53601//88*x^2 + 893129//176*x + 9768829//1408)//(x^4 + 10*x^3 + 65//4*x^2 - 175//4*x - 9261//256)",
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     "(59959//88*x^2 + 1001215//176*x + 10970491//1408)//(x^4 + 10*x^3 + 65//4*x^2 - 175//4*x - 9261//256)"
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     "11475//88//(x^2 + 5*x + 49//16)"
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     "(68//11*x^2 + 522//11*x + 2653//44)//(x^4 + 10*x^3 + 65//4*x^2 - 175//4*x - 9261//256)",
     "(-47447//88*x^2 - 788511//176*x - 8605723//1408)//(x^4 + 10*x^3 + 65//4*x^2 - 175//4*x - 9261//256)",
     "-13//2//(x^2 + 5*x + 49//16)",
     "(-53057//88*x^2 - 883881//176*x - 9666013//1408)//(x^4 + 10*x^3 + 65//4*x^2 - 175//4*x - 9261//256)"
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    "quadratic_alphabet_letter": "x*y + y**2 - 2*y*z + z**2",
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      [
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      [
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     ],
     "-27/4": [
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    "Rinf": [
     [
      "-6",
      "0",
      "0",
      "0"
     ],
     [
      "3587/8",
      "0",
      "0",
      "0"
     ],
     [
      "0",
      "0",
      "0",
      "0"
     ],
     [
      "3961/8",
      "0",
      "0",
      "0"
     ]
    ],
    "quad_kernels": {
     "16*x^2 + 80*x + 49": {
      "U": [
       [
        "1312/11",
        "3840/187",
        "0",
        "-3328/187"
       ],
       [
        "-103530/11",
        "-24008/11",
        "0",
        "21112/11"
       ],
       [
        "0",
        "0",
        "0",
        "0"
       ],
       [
        "-114750/11",
        "-27000/11",
        "0",
        "23752/11"
       ]
      ],
      "V": [
       [
        "3280/11",
        "9600/187",
        "-192/11",
        "-8320/187"
       ],
       [
        "-258825/11",
        "-60020/11",
        "20706/11",
        "52780/11"
       ],
       [
        "510",
        "120",
        "0",
        "-104"
       ],
       [
        "-286875/11",
        "-67500/11",
        "22950/11",
        "59380/11"
       ]
      ]
     }
    }
   },
   "source": {
    "file": "out_b485.json",
    "sha256": "254cba37c77a410e6de176a194dd498115371f6626bfaaef6b5e3965de38afcc"
   }
  },
  {
   "sector": 486,
   "n": 1,
   "rows": [
    74
   ],
   "masters": [
    "wpairT4[0,1,1,0,0,1,1,1,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "1"
    ]
   ],
   "Atilde": [
    [
     "0"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"inf\" => [0]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [],
    "quadratic_alphabet_letter": null,
    "residues": {},
    "Rinf": [
     [
      "0"
     ]
    ],
    "quad_kernels": {}
   },
   "source": {
    "file": "out_b486.json",
    "sha256": "524443c1e26e00b17ef1ef06384edaecfdfe64de477b578f3681e4cfb8a784de"
   }
  },
  {
   "sector": 487,
   "n": 4,
   "rows": [
    75,
    76,
    77,
    78
   ],
   "masters": [
    "wpairT4[1,1,1,0,0,1,1,1,1]",
    "wpairT4[1,1,1,-1,0,1,1,1,1]",
    "wpairT4[1,1,1,-2,0,1,1,1,1]",
    "wpairT4[1,1,1,0,-1,1,1,1,1]"
   ],
   "ok": true,
   "stop_class": "OK",
   "stop": "",
   "T": [
    [
     "(289//8*x + 4335//32)",
     "((-17//4)*x + 119//16)",
     "0",
     "((-255//74*eps)//(eps - 9//37)*x^2 + (85//37*eps)//(eps - 9//37)*x + (39525//1184*eps)//(eps - 9//37))"
    ],
    [
     "0",
     "0",
     "17//2",
     "((51//74*eps + 51//74)//(eps - 9//37)*x + (255//148*eps + 255//148)//(eps - 9//37))"
    ],
    [
     "0",
     "0",
     "0",
     "(153//37*eps - 153//74)//(eps - 9//37)"
    ],
    [
     "(17//2*x + 85//4)",
     "17//4",
     "0",
     "((170//37*eps)//(eps - 9//37)*x + (425//37*eps)//(eps - 9//37))"
    ]
   ],
   "Atilde": [
    [
     "(-8//3*x^3 - 20*x^2 - 79//6*x + 605//12)//(x^4 + 10*x^3 + 317//8*x^2 + 585//8*x + 9065//256)",
     "1//(x^2 + 5*x + 185//16)",
     "2//3//(x^2 + 5*x + 49//16)",
     "(2//3*x + 5//3)//(x^2 + 5*x + 49//16)"
    ],
    [
     "-255//4//(x^2 + 5*x + 185//16)",
     "(17*x + 85//2)//(x^4 + 10*x^3 + 317//8*x^2 + 585//8*x + 9065//256)",
     "0",
     "0"
    ],
    [
     "-51//4//(x^2 + 5*x + 49//16)",
     "0",
     "0",
     "-51//8//(x^2 + 5*x + 49//16)"
    ],
    [
     "(-8//3*x - 20//3)//(x^2 + 5*x + 49//16)",
     "0",
     "-4//3//(x^2 + 5*x + 49//16)",
     "(2//3*x + 5//3)//(x^2 + 5*x + 49//16)"
    ]
   ],
   "letters": {
    "engine_string": "(String[], Dict{String, Any}(\"_algebraic_factors\" => [\"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 185\", \"16*x^2 + 80*x + 185\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 185\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 185\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 49\", \"16*x^2 + 80*x + 49\"], \"inf\" => [8//3 0 0 8//3; 0 0 0 0; 0 0 0 0; -2//3 0 0 -2//3]))",
    "poles": [],
    "alphabet_letters": {},
    "algebraic_factors": [
     "16*x^2 + 80*x + 49",
     "16*x^2 + 80*x + 185"
    ],
    "quadratic_alphabet_letter": "x*y + y**2 - 2*y*z + z**2",
    "residues": {},
    "Rinf": [
     [
      "8/3",
      "0",
      "0",
      "8/3"
     ],
     [
      "0",
      "0",
      "0",
      "0"
     ],
     [
      "0",
      "0",
      "0",
      "0"
     ],
     [
      "-2/3",
      "0",
      "0",
      "-2/3"
     ]
    ],
    "quad_kernels": {
     "16*x^2 + 80*x + 49": {
      "U": [
       [
        "160/3",
        "0",
        "0",
        "-128/3"
       ],
       [
        "0",
        "32",
        "0",
        "0"
       ],
       [
        "0",
        "0",
        "0",
        "0"
       ],
       [
        "32/3",
        "0",
        "0",
        "32/3"
       ]
      ],
      "V": [
       [
        "400/3",
        "0",
        "-204",
        "-320/3"
       ],
       [
        "0",
        "80",
        "0",
        "0"
       ],
       [
        "32/3",
        "0",
        "0",
        "-64/3"
       ],
       [
        "80/3",
        "0",
        "-102",
        "80/3"
       ]
      ]
     },
     "16*x^2 + 80*x + 185": {
      "U": [
       [
        "-96",
        "0",
        "0",
        "0"
       ],
       [
        "0",
        "-32",
        "0",
        "0"
       ],
       [
        "0",
        "0",
        "0",
        "0"
       ],
       [
        "0",
        "0",
        "0",
        "0"
       ]
      ],
      "V": [
       [
        "-240",
        "-1020",
        "0",
        "0"
       ],
       [
        "16",
        "-80",
        "0",
        "0"
       ],
       [
        "0",
        "0",
        "0",
        "0"
       ],
       [
        "0",
        "0",
        "0",
        "0"
       ]
      ]
     }
    },
    "quadratic_alphabet_letters": {
     "16*x^2 + 80*x + 49": {
      "form": "x*y + y**2 - 2*y*z + z**2",
      "restriction_to_the_line_equals_q_up_to_the_integer_scale": true,
      "scale": "16",
      "note": "the served letter of the first quadratic (the alphabet letter whose restriction to this line is this factor)"
     },
     "16*x^2 + 80*x + 185": {
      "form": "x*y + y**2 - 2*y*z + z**2 + x",
      "restriction_to_the_line_equals_q_up_to_the_integer_scale": true,
      "scale": "16",
      "note": "a restriction check of the two-variable form to this line only"
     }
    }
   },
   "source": {
    "file": "out_b487_g.json",
    "sha256": "494baa8865deb75e511eb4a3a2a7891d52e65aa6e4b10e4c54e807018b7de6e7"
   },
   "basis_change": {
    "their_masters": [
     1,
     1,
     1,
     -1,
     -1,
     1,
     1,
     1,
     1
    ],
    "in_place_of": [
     1,
     1,
     1,
     -2,
     0,
     1,
     1,
     1,
     1
    ],
    "served_four": [
     "wpairT4[1,1,1,0,0,1,1,1,1]",
     "wpairT4[1,1,1,-1,0,1,1,1,1]",
     "wpairT4[1,1,1,-2,0,1,1,1,1]",
     "wpairT4[1,1,1,0,-1,1,1,1,1]"
    ],
    "their_basis_order": [
     "1,1,1,0,0,1,1,1,1",
     "1,1,1,-1,0,1,1,1,1",
     "1,1,1,0,-1,1,1,1,1",
     "1,1,1,-1,-1,1,1,1,1"
    ],
    "C_rows_in_their_basis_order_over_the_served_four": {
     "1,1,1,0,0,1,1,1,1": [
      "1",
      "0",
      "0",
      "0"
     ],
     "1,1,1,-1,0,1,1,1,1": [
      "0",
      "1",
      "0",
      "0"
     ],
     "1,1,1,0,-1,1,1,1,1": [
      "0",
      "0",
      "0",
      "1"
     ],
     "1,1,1,-1,-1,1,1,1,1": [
      "(-240*d*y**2 + 160*d*y + 2325*d + 960*y**2 - 640*y - 9300)/(592*d - 2080)",
      "(12*d*y - 599*d - 72*y + 2030)/(148*d - 520)",
      "(18*d - 54)/(37*d - 130)",
      "(20*d*y + 50*d - 80*y - 200)/(37*d - 130)"
     ]
    },
    "C_variables": "(d, y): the cut-IBP dictionary rows as the P1 receipt writes them; y == x on the line, d = 4 - 2 eps in T",
    "det_C": "-18*(d - 3)/(37*d - 130)",
    "T_transcribed": [
     [
      "289*x/8 + 4335/32",
      "0",
      "17*x/2 + 85/4",
      "0"
     ],
     [
      "119/16 - 17*x/4",
      "0",
      "17/4",
      "0"
     ],
     [
      "0",
      "17/2",
      "0",
      "0"
     ],
     [
      "0",
      "289/8",
      "0",
      "17/2"
     ]
    ],
    "T_transcribed_source": "the sympy matrix literal of p1c_make_blocks.py with r1 = r2 = 1 and the line's (X, Z) = (17/2, 7/4)",
    "S": "T = S = T_transcribed . C, the transformation FROM THE SERVED BASIS (written above as this block's T, column-major); det S = 751689*(2*eps - 1)*(16*x^2 + 80*x + 185)/(512*(37*eps - 9))",
    "identity_asserted_symbolically": "S A S^-1 + (dS/dy) S^-1 == eps * Atilde over Q(eps)(y), A the served block of rows 75-78 at d = 4 - 2 eps",
    "p1_receipt_sha256": "8aa0eccef9ecac1e0acb050f562606064e0accfe36130758f06d67d0d3a6fba0",
    "p1c_receipt_sha256": "875b7217badfe6e2540af6689817f094a05833abcbcb28e5ece5e9e6dfe500a8",
    "live_receipt_sha256": "e9ba6a61677fdec5f35bbab3439a58bb9e700e493b53fbdaa5206f7a5dce19f7",
    "engine_report": {
     "already_epsform": "true",
     "fuchsian_input": "true"
    },
    "engine_t_factor_s": 7.5283238887786865,
    "engine_t_parse_s": 2.248685121536255,
    "engine_T_relative_to_the_g_block": "identity",
    "verifier_verdict_at_the_two_census_points": "PASS",
    "verifier_points": [
     {
      "eps": "1/223",
      "d": "890/223",
      "y": "29/211",
      "identity_TAT_plus_dTT_eq_eps_Atilde": true,
      "Atilde_eps_free": true
     },
     {
      "eps": "5/6",
      "d": "7/3",
      "y": "17/139",
      "identity_TAT_plus_dTT_eq_eps_Atilde": true,
      "Atilde_eps_free": true
     }
    ]
   },
   "served_basis_stop": {
    "stop_class": "Moser-irreducible",
    "stop": "input not Fuchsian and Moser reduction failed: all higher-order poles are stuck (no kernel/cokernel shear reduces rank) \u2014 Moser-irreducible or needs full Barkatou pencil",
    "source": {
     "file": "out_b487.json",
     "sha256": "23f44cbab8419e5a2c5a34693d7a41b599d69274224ab545f44cdf3466954f7f"
    },
    "note": "in the basis carrying [1,1,1,-2,0,1,1,1,1]"
   }
  }
 ],
 "sector_481": {
  "sector": 481,
  "n": 6,
  "rows": [
   54,
   55,
   56,
   57,
   58,
   59
  ],
  "masters": [
   "wpairT4[1,0,0,0,0,1,1,1,1]",
   "wpairT4[1,-1,0,0,0,1,1,1,1]",
   "wpairT4[1,0,-1,0,0,1,1,1,1]",
   "wpairT4[1,0,0,-1,0,1,1,1,1]",
   "wpairT4[1,0,0,0,-1,1,1,1,1]",
   "wpairT4[1,-2,0,0,0,1,1,1,1]"
  ],
  "label": "sector 481 (rows 54-59, n = 6): the maximal-cut curve is elliptic (j non-constant in z5); the eps^0 block is reducible to first order -- six exact hyperexponential factors on this line, on the other served line and along the two mass-scaling rays; not run through the eps-factoriser (census.elliptic_not_run unchanged)",
  "maximal_cut_curve": {
   "statement": "(sector $481$) has an elliptic maximal-cut curve: its fibrewise curve has non-constant $j$ (an order-two Picard--Fuchs operator in the fibre variable $z_5$; $j$ non-constant along the mass-scaling ray as well), while its $\\eps^0$ differential-equation block is reducible to first order.",
   "source": "the served section text (the statement object STATEMENT_SEC481_20260910T021848Z.json, pair c_L213_is_elliptic, TO)"
  },
  "eps0_block_chain": {
   "schema": "P2_REDUCIBILITY_v1",
   "recipe": "report_C3.md L135-142 (sys_factor): hyperexponential vector solutions prod f_i^{e_i} P, quotient by a rational gauge, iterate; L508-511 (blocktri)",
   "mode": "--served",
   "line": "L2",
   "stamp_utc": "2026-09-10T01:59:15Z",
   "stamp_end_utc": "2026-09-10T02:01:55Z",
   "script_of_record": {
    "file": "p2_reducibility.py",
    "sha256": "2eb65015d73bce5992bb8590e28724f9692caad36d54353d0d76106f5b053ef4",
    "vendored_as": "vendor_row35_sec481/scripts/p2_reducibility.py (as text; re-cut)",
    "vendored_sha256": "96e5690908a6c8856f14fa111732a15f5fe48c304bfd8e9946a9708fc4584ea4"
   },
   "served_script": {
    "file": "qqww-t4-sec481-chain.py",
    "note": "the succession of the script of record served beside this file (pinned by the bundle MANIFEST.sha256, not here): --line L2 re-runs this chain on the served connection and compares it factor by factor with --reference"
   },
   "bounds": {
    "EB": 3,
    "NB": 12,
    "MAXCOMBO": 20000
   },
   "sympy": "1.14.0",
   "python_flint": "0.8.0",
   "input": {
    "file": "row35_L2/connection_L2.json",
    "sha256": "fd83c63b685adb69364b936f26672543581ad0aa45d2f6f8d85d31458596d9bb",
    "rows": [
     54,
     55,
     56,
     57,
     58,
     59
    ],
    "masters": [
     "wpairT4[1,0,0,0,0,1,1,1,1]",
     "wpairT4[1,-1,0,0,0,1,1,1,1]",
     "wpairT4[1,0,-1,0,0,1,1,1,1]",
     "wpairT4[1,0,0,-1,0,1,1,1,1]",
     "wpairT4[1,0,0,0,-1,1,1,1,1]",
     "wpairT4[1,-2,0,0,0,1,1,1,1]"
    ],
    "d": 4,
    "variable": "y",
    "note": "the SERVED L2 line block in y at d = 4 (L1: (x,z) = (17/2, 5/3); L2: (17/2, 7/4)); NOT the ray object"
   },
   "verdict": "REDUCIBLE_TO_FIRST_ORDER",
   "size": 6,
   "remainder_rank": 0,
   "bounded_search_used": true,
   "n_factors": 6,
   "chain": [
    {
     "exponents": [
      [
       "y + 1",
       "0"
      ],
      [
       "y + 4",
       "0"
      ],
      [
       "y - 7/4",
       "-1"
      ],
      [
       "y + 27/4",
       "-1"
      ],
      [
       "y**2 + 5*y + 49/16",
       "0"
      ],
      [
       "y**2 + 5*y + 185/16",
       "0"
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       "0"
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       "0"
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       "0"
      ]
     ],
     "degree_bound": 12,
     "P": [
      "1517481/1493161",
      "145530*y**2/1493161 + 727650*y/1493161 + 6382033/5972644",
      "145530*y**2/1493161 + 727650*y/1493161 - 19589003/5972644",
      "-72765*y**2/1493161 - 3005695*y/5972644 + 2959257/2986322",
      "120491*y/175666 - 37793/87833",
      "y**2 + 5*y + 11509913/1405328"
     ],
     "n_solutions_at_this_exponent": 2,
     "rate_u_prime_over_u": "0",
     "rate_partial_fractions": "0",
     "exponents_note": "search labels; the canonical exponents are the residues of rate_u_prime_over_u (rate_partial_fractions)"
    },
    {
     "exponents": [
      [
       "y + 1",
       "0"
      ],
      [
       "y + 4",
       "0"
      ],
      [
       "y - 7/4",
       "-1"
      ],
      [
       "y + 27/4",
       "-1"
      ],
      [
       "y**2 + 5*y + 49/16",
       "0"
      ],
      [
       "y**2 + 5*y + 185/16",
       "0"
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       "0"
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       "0"
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       "0"
      ]
     ],
     "degree_bound": 12,
     "P": [
      "51*y**2/1147 + 255*y/1147 + 41701/192696",
      "51*y**2/1147 + 255*y/1147 + 45169/192696",
      "-51*y**2/2294 - 493*y/5208 - 697/9176",
      "289*y/13764 + 8381/192696",
      "y**4 + 10*y**3 + 46386301*y**2/1348872 + 63322505*y/1348872 + 903223289/43163904"
     ],
     "n_solutions_at_this_exponent": 1,
     "rate_u_prime_over_u": "0",
     "rate_partial_fractions": "0",
     "exponents_note": "search labels; the canonical exponents are the residues of rate_u_prime_over_u (rate_partial_fractions)"
    },
    {
     "exponents": [
      [
       "y + 1",
       "0"
      ],
      [
       "y + 4",
       "0"
      ],
      [
       "y - 7/4",
       "-1"
      ],
      [
       "y + 27/4",
       "-1"
      ],
      [
       "y + 29/14",
       "-1"
      ],
      [
       "y**2 + 5*y + 49/16",
       "0"
      ],
      [
       "y**2 + 5*y + 185/16",
       "0"
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       "-3/2"
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       "0"
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       "0"
      ]
     ],
     "degree_bound": 12,
     "P": [
      "51*y**6/1147 - 47345*y**5/48174 + 7382981*y**4/4046616 + 622188355*y**3/14163156 + 123686569163*y**2/6345093888 - 3692899767785*y/88831314432 - 307242199435/12690187776",
      "51*y**6/1147 - 731*y**5/777 + 2432173*y**4/2023308 + 4840219991*y**3/113305248 + 268443179777*y**2/6345093888 - 1967166605849*y/88831314432 - 245190735089/11103914304",
      "-51*y**6/2294 + 93823*y**5/192696 - 1487891*y**4/2023308 - 5148722867*y**3/226610496 - 255053479739*y**2/12690187776 + 190700199583*y/50760751104 + 502128136519/101521502208",
      "y**8 - 1242718*y**7/72261 - 101566450*y**6/1517481 + 250931218987*y**5/226610496 + 112595410190551*y**4/19035281664 + 265149308101291*y**3/38070563328 - 806003171568101*y**2/240704206848 - 70812734223467683*y/8527806185472 - 51360637182617099/17055612370944"
     ],
     "n_solutions_at_this_exponent": 1,
     "rate_u_prime_over_u": "(-43904*y**2 + 294392*y + 557942)/(10976*y**3 - 122304*y**2 - 407722*y - 222227)",
     "rate_partial_fractions": "-84*(28*y - 185)/(784*y**2 - 10360*y - 7663) - 14/(14*y + 29)",
     "exponents_note": "search labels; the canonical exponents are the residues of rate_u_prime_over_u (rate_partial_fractions)"
    },
    {
     "exponents": [
      [
       "y + 1",
       "0"
      ],
      [
       "y + 4",
       "0"
      ],
      [
       "y - 7/4",
       "-1"
      ],
      [
       "y + 27/4",
       "-1"
      ],
      [
       "y**2 + 5*y + 49/16",
       "0"
      ],
      [
       "y**2 + 5*y + 185/16",
       "0"
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       "-1"
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       "0"
      ],
      [
       "y**4 - 80*y**3/9 - 201559*y**2/3024 + 6027935*y/296352 + 2358485/42336",
       "-1"
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       "0"
      ]
     ],
     "degree_bound": 12,
     "P": [
      "-289*y**5/495 + 17629*y**4/2772 + 4501753*y**3/129360 - 409306943*y**2/3622080 - 59920308323*y/152127360 - 32021002613/152127360",
      "289*y**5/4620 - 15028*y**4/4851 + 15999329*y**3/1086624 + 5270859163*y**2/25354560 + 307754212541*y/1217018880 + 14069398271/173859840",
      "y**8 - 11209*y**7/945 - 16324685*y**6/232848 + 1417130005*y**5/3259872 + 260094201749*y**4/130394880 + 914936171*y**3/3697540 - 242142136156673*y**2/102229585920 + 11452100333741*y/4172636160 + 81191681123369/29208453120"
     ],
     "n_solutions_at_this_exponent": 1,
     "rate_u_prime_over_u": "(-1161699840*y**6 + 19147763712*y**5 - 2923545408*y**4 - 497236207104*y**3 - 790512238586*y**2 - 203719055092*y + 90717904220)/(232339968*y**7 - 4903110912*y**6 + 4398149056*y**5 + 239084503616*y**4 + 331410431226*y**3 - 115369870559*y**2 - 343740891990*y - 126511493885)",
     "rate_partial_fractions": "-56*(28*y - 185)/(784*y**2 - 10360*y - 7663) - (1185408*y**3 - 7902720*y**2 - 39505564*y + 6027935)/(296352*y**4 - 2634240*y**3 - 19752782*y**2 + 6027935*y + 16509395) + 1/(y + 1)",
     "exponents_note": "search labels; the canonical exponents are the residues of rate_u_prime_over_u (rate_partial_fractions)"
    },
    {
     "exponents": [
      [
       "y + 4",
       "0"
      ],
      [
       "y - 7/4",
       "-1"
      ],
      [
       "y + 27/4",
       "-1"
      ],
      [
       "y**2 + 5*y + 49/16",
       "0"
      ],
      [
       "y**2 + 5*y + 185/16",
       "0"
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       "-1"
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       "-3/2"
      ],
      [
       "y**3 + 65*y**2/28 - 7509*y/392 - 14459/392",
       "-1"
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       "0"
      ]
     ],
     "degree_bound": 12,
     "P": [
      "357*y**6/6044 + 5355*y**5/6044 - 7284075*y**4/676928 - 48915375*y**3/338464 - 251436785907*y**2/530711552 - 249462179535*y/530711552 - 24909248181/173293568",
      "y**7 + 35*y**6/2 - 11033699*y**5/74039 - 875605575*y**4/296156 - 14012478814541*y**3/928745216 - 62734077258115*y**2/1857490432 - 249949437770581*y/7429961728 - 170655267982405/14859923456"
     ],
     "n_solutions_at_this_exponent": 1,
     "rate_u_prime_over_u": "(-1686616064*y**7 - 22726290944*y**6 + 195691718656*y**5 + 2913792661248*y**4 + 7623343656824*y**3 - 13371894605874*y**2 - 70116635631420*y - 57897348125007)/(240945152*y**8 + 3932569088*y**7 - 43826202112*y**6 - 722938652352*y**5 - 1922940700632*y**4 + 7962098730782*y**3 + 45838486790363*y**2 + 67988285121465*y + 28248064270516)",
     "rate_partial_fractions": "-56*(28*y - 185)/(784*y**2 - 10360*y - 7663) - 84*(28*y + 325)/(784*y**2 + 18200*y + 63737) - (1176*y**2 + 1820*y - 7509)/(392*y**3 + 910*y**2 - 7509*y - 14459) + 1/(y + 4)",
     "exponents_note": "search labels; the canonical exponents are the residues of rate_u_prime_over_u (rate_partial_fractions)"
    },
    {
     "exponents": [
      [
       "y - 7/4",
       "-1"
      ],
      [
       "y + 27/4",
       "-1"
      ],
      [
       "y**2 + 5*y + 49/16",
       "-1"
      ],
      [
       "y**2 + 5*y + 185/16",
       "2"
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       "-1"
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       "-1"
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       "1"
      ]
     ],
     "degree_bound": 0,
     "P": [
      "1"
     ],
     "n_solutions_at_this_exponent": 1,
     "rate_u_prime_over_u": "(25353862925258850304*y**17 + 1077539174323501137920*y**16 + 6661037245714044813312*y**15 - 288980690447473888460800*y**14 - 4892503759209832648802304*y**13 - 8577833353219626898554880*y**12 + 411963079312697814499196928*y**11 + 4451268581022461773500907520*y**10 + 20348831220706251775942852608*y**9 + 38194546625569378928746823680*y**8 - 31745724791346849768680849408*y**7 - 272105284727651042629000560640*y**6 - 375047607388115369199224905728*y**5 + 172282253967932544394274918400*y**4 + 909858231099282325595232982528*y**3 + 833977840852355342786619208960*y**2 + 284949350926015295640018511392*y + 26402451210811134668740374480)/(6338465731314712576*y**18 + 285230957909162065920*y**17 + 2376813988847995060224*y**16 - 66558316594605368279040*y**15 - 1397635784957919104073728*y**14 - 5655287300391367585300480*y**13 + 91352490209279786979688448*y**12 + 1372540082039730902338109440*y**11 + 8482105474431016049603248128*y**10 + 27488180405740363319292723200*y**9 + 34197411924612868253857349632*y**8 - 73538654433909900122899087360*y**7 - 355001746046170831706697949184*y**6 - 468958294639805778109160693760*y**5 + 124450809680441322989174964736*y**4 + 1033228405935453231627260687360*y**3 + 1165298573884540944668473977248*y**2 + 560162948077336088629745694240*y + 101450083445868192103012787955)",
     "rate_partial_fractions": "16*(2*y + 5)*(629407744*y**6 + 9441116160*y**5 - 79113113856*y**4 - 1184510978560*y**3 - 2830526724128*y**2 + 1637203211360*y + 3398035465219)/(2517630976*y**8 + 50352619520*y**7 - 296055058432*y**6 - 8846680084480*y**5 - 46334433364224*y**4 - 58017211722240*y**3 + 119856695897904*y**2 + 271842837217520*y + 121236210296673) + 32*(2*y + 5)/(16*y**2 + 80*y + 185) - 16*(2*y + 5)/(16*y**2 + 80*y + 49) - 56*(28*y - 185)/(784*y**2 - 10360*y - 7663) - 56*(28*y + 325)/(784*y**2 + 18200*y + 63737) - 4/(4*y + 27) - 4/(4*y - 7)",
     "exponents_note": "search labels; the canonical exponents are the residues of rate_u_prime_over_u (rate_partial_fractions)"
    }
   ],
   "search_log": [
    {
     "size": 6,
     "singular_factors": [
      [
       "y + 1",
       1
      ],
      [
       "y + 4",
       1
      ],
      [
       "y - 7/4",
       1
      ],
      [
       "y + 27/4",
       1
      ],
      [
       "y**2 + 5*y + 49/16",
       1
      ],
      [
       "y**2 + 5*y + 185/16",
       1
      ],
      [
       "y**2 - 185*y/14 - 7663/784",
       1
      ],
      [
       "y**2 + 325*y/14 + 63737/784",
       1
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       1
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     ],
     "pole_order_at_infinity": 3,
     "fuchsian": false,
     "candidate_exponents": [
      [
       "0",
       "1"
      ],
      [
       "0",
       "1"
      ],
      [
       "-1",
       "0"
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      [
       "-1",
       "0"
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      [
       "0"
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      [
       "0",
       "2"
      ],
      [
       "-3/2",
       "0"
      ],
      [
       "-3/2",
       "0"
      ],
      [
       "0",
       "1"
      ]
     ],
     "infinity_rational_exponents": "irregular at infinity: degree bound NB",
     "n_combinations": 256,
     "combinations_tried": 7
    },
    {
     "size": 5,
     "singular_factors": [
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       "y + 1",
       1
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      [
       "y + 4",
       1
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       "y - 7/4",
       1
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       "y + 27/4",
       1
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       "y**2 + 5*y + 49/16",
       1
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       "y**2 + 5*y + 185/16",
       1
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      [
       "y**2 - 185*y/14 - 7663/784",
       1
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      [
       "y**2 + 325*y/14 + 63737/784",
       1
      ],
      [
       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       1
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     "pole_order_at_infinity": 3,
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      [
       "-3/2",
       "0"
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       "0",
       "1"
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     "infinity_rational_exponents": "irregular at infinity: degree bound NB",
     "n_combinations": 256,
     "combinations_tried": 7
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    {
     "size": 4,
     "singular_factors": [
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       "y + 1",
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       1
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       1
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       1
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       1
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       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       1
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      [
       "-3/2",
       "0"
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       "0",
       "1"
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     "infinity_rational_exponents": "irregular at infinity: degree bound NB",
     "n_combinations": 512,
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    {
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       "y - 7/4",
       1
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       1
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       1
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       1
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      [
       "y**2 - 185*y/14 - 7663/784",
       1
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      [
       "y**2 + 325*y/14 + 63737/784",
       1
      ],
      [
       "y**4 - 80*y**3/9 - 201559*y**2/3024 + 6027935*y/296352 + 2358485/42336",
       1
      ],
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       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       1
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       "-1",
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       "0",
       "1"
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     "infinity_rational_exponents": "irregular at infinity: degree bound NB",
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     "combinations_tried": 5
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       1
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       1
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       "0"
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      [
       "-1",
       "0"
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       "0",
       "1"
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     "infinity_rational_exponents": "irregular at infinity: degree bound NB",
     "n_combinations": 256,
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    {
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     "singular_factors": [
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       "y - 7/4",
       1
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       "y**2 + 5*y + 49/16",
       1
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       "y**2 + 5*y + 185/16",
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      [
       "y**2 - 185*y/14 - 7663/784",
       1
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      [
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       1
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       "y**8 + 20*y**7 - 1475083*y**6/12544 - 44078245*y**5/12544 - 180993880329*y**4/9834496 - 113314866645*y**3/4917248 + 1070149070517*y**2/22478848 + 16990177326095*y/157351936 + 121236210296673/2517630976",
       1
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       "2"
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      [
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      [
       "1"
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     "n_combinations": 1,
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   ],
   "wall_s": 148.965,
   "receipt_wall_s": 159.928,
   "receipt": {
    "file": "P2_REDUCIBILITY_s2live_L2_20260910T015915Z.json",
    "vendored_sha256": "7c6cf6f3c9caac2f8f86a9e29d4eb26d4b208b86e32ddd53e451df0112aaf1ee",
    "original_sha256": "c9865676ce7c75ebeed7b71f1d8d1f49abb055e37b841a35d882019990f62d97",
    "where": "vendor_row35_sec481/lines/"
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  "rays": {
   "P": {
    "block": {
     "file": "P2_SEC481_BLOCK_p2live_S_20260910T011946Z.json",
     "vendored_sha256": "e316f787c2012917e65f139df7c8e854089da5b835b93bb7ba268bfed9345f79",
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    "chain_receipt": {
     "file": "P2_REDUCIBILITY_p2live_R_20260910T012246Z.json",
     "vendored_sha256": "1413f2430f9ab7ca8c90c883315c7d4fa2aaab20a3f282f6f8a391a2872367cb",
     "original_sha256": "1f0966cdba0269534791a289cf217c27eeb73d0b3ed2886034b994274a304964",
     "verdict": "REDUCIBLE_TO_FIRST_ORDER",
     "n_factors": 6,
     "remainder_rank": 0,
     "wall_s": 72.939
    },
    "ray": {
     "name": "P",
     "s_t_mW2_per_lam": [
      "67/8",
      "-25/9",
      "13/60"
     ],
     "mt2": 1,
     "mode": "sym",
     "lam": "lam",
     "d": "symbolic",
     "note": "(s,t,mW2) = lam * ray; RAY=P is the ray through the physical point P of the audited external computation (its report_C3.md L70/L149/L496); RAY=E passes through that computation's point E = the served base point (x, y, z) = (17/2, 1/3, 5/3) at lam = 1"
    }
   },
   "E": {
    "block": {
     "file": "P2_SEC481_BLOCK_p2liveE_S_20260910T012441Z.json",
     "vendored_sha256": "08f55706a9db2ba5c0d51bcfeda4e49230c6522efd7ce758b809f5f8ff724b1b",
     "original_sha256": "a55fa907ab779fc531ec4cd3a2dee743fd89e601c3e777f89d49d48aec40ff1b"
    },
    "chain_receipt": {
     "file": "P2_REDUCIBILITY_p2liveE_R_20260910T012556Z.json",
     "vendored_sha256": "cb6a66b41086c11f97bf80c864cff8b971c5614f93380ec4f5c5be7d15217691",
     "original_sha256": "ac0fbc4280da4f74ec264bc90ac7920c653b898ccd133e6a89177a40d4c16143",
     "verdict": "REDUCIBLE_TO_FIRST_ORDER",
     "n_factors": 6,
     "remainder_rank": 0,
     "wall_s": 70.348
    },
    "ray": {
     "name": "E",
     "s_t_mW2_per_lam": [
      "-17/2",
      "-1/3",
      "-5/3"
     ],
     "mt2": 1,
     "mode": "sym",
     "lam": "lam",
     "d": "symbolic",
     "note": "(s,t,mW2) = lam * ray; RAY=P is the ray through the physical point P of the audited external computation (its report_C3.md L70/L149/L496); RAY=E passes through that computation's point E = the served base point (x, y, z) = (17/2, 1/3, 5/3) at lam = 1"
    }
   }
  },
  "controls": {
   "S_vs_N": {
    "file": "P2_S_VS_N_p2live_20260910T012100Z.json",
    "vendored_sha256": "635666269f0cf3ea39f3aec3c47f7d75fe3d151bc177331af4af1754368472e3",
    "original_sha256": "e8e070407c018a7b69a9762a4e2acbd08ed37a0f2f7c8538005cc00707b9601d",
    "all_available_pairs_equal": true,
    "note": "the symbolic ray block (S) against three numeric-kinematics blocks (N1-N3) at lam = 1, 1/4, 4: equal at d = 4 and at generic d"
   },
   "thimble": {
    "file": "P2_THIMBLE_s2live_TH_20260910T020155Z.json",
    "vendored_sha256": "ce0bfd36104017248892b47add37690bb91e2753f146b99416b981752b9f2ec4",
    "original_sha256": "ce0bfd36104017248892b47add37690bb91e2753f146b99416b981752b9f2ec4",
    "verdict": "OK",
    "DE_certified_digits": {
     "y_1o3": 39.37,
     "y_2o5": 39.29
    },
    "dps": 40
   },
   "thimble_vs_chain": {
    "file": "P2_THIMBLE_VS_CHAIN_s2live_XC_20260910T021554Z.json",
    "vendored_sha256": "606088a4c09abed1c36d757d87179b88bd09d56ce82accfd4de42a44d80ac0e4",
    "original_sha256": "bd0fcdc21b7a8037b7789a6bced6fc30ba8edfd613d5274e4bf6a15403c008da",
    "PASS": true,
    "thimble_in_chain_solution_space_digits": 39.89,
    "last_factor_closed_form_digits": 39.04,
    "planted_fail": {
     "perturbed_H1": 20.61,
     "wrong_exponent": 1.61
    },
    "gauge_upper_triangular_exact": true,
    "diagonal_equals_chain_rates_exact": true,
    "note": "the L1 chain receipt is the chain input of this control (the same factors on L2 by the L2 receipt)"
   },
   "built_in_C1_to_C4": "qqww-t4-sec481-chain.py --controls (a planted reducible 3x3 chain; the Legendre companion, irreducible; a half-integer triangular 2x2; Legendre (+) a 1x1 factor)"
  },
  "provenance_scripts": [
   {
    "file": "p2_extract_block.py",
    "vendored_sha256": "51dea9bba09be5bb3dee610bb36a1360658d12af7bfa8fc1937987c0ae127656",
    "original_sha256": "c82452c47082748672d76cc3603f77768bf08f8c20124bcd62a9f1bbf93d8ef6",
    "runnable_from_this_bundle": false
   },
   {
    "file": "p2_make_config.py",
    "vendored_sha256": "f470c0f68ab3e84836e793b90a6e40755b2d8dfb9f23bce3ab53cd3b023696cb",
    "original_sha256": "727099b4d45d18ae70df6b7f81d655fade1f6b3d2686b02169f9df4eef351d7a",
    "runnable_from_this_bundle": false
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  ]
 }
}