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    231,
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    233,
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    156,
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    157,
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    332
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    166,
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    247,
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    355
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    173,
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    254,
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    283
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    175,
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    333
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    255,
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   [
    257,
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    304,
    335
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    179,
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    323,
    357
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    180,
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    337
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   [
    261,
    276,
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    297
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    266,
    328,
    330,
    341
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   [
    221,
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    267,
    269
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   [
    268,
    326,
    342,
    358
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   [
    188,
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    272,
    297
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   [
    189,
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    229,
    273
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   [
    190,
    207,
    274,
    296
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   [
    191,
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    295
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   [
    194,
    228,
    313,
    346
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   [
    195,
    244,
    281,
    345
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   [
    199,
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    306,
    354
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    287,
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    262,
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    325,
    327
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    293,
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    305,
    353
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    234,
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    294,
    329
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   [
    216,
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    319,
    356
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   [
    217,
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    282,
    324
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   [
    223,
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    311,
    323
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    310,
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    356,
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    315,
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    236,
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    264,
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    352
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    347
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    358
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   [
    302,
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   [
    340,
    344,
    353,
    357
   ],
   [
    312,
    336,
    341,
    354
   ]
  ]
 },
 "distance": {
  "d": 8,
  "X": {
   "value": 8,
   "confidence": "upper_bound",
   "witness": [
    53,
    85,
    86,
    143,
    212,
    217,
    259,
    298
   ]
  },
  "Z": {
   "value": 8,
   "confidence": "upper_bound",
   "witness": [
    33,
    58,
    110,
    155,
    258,
    306,
    320,
    336
   ]
  }
 },
 "provenance": {
  "authors": [
   "@msilve160"
  ],
  "construction": "Planar hyperbolic {4,5} code, literature reproduction from github.com/QEC-pages/Quantum_LDPC_Codes @ 1c95489383564e4dc2cce517de00d64d6f2c4f56, Hyperbolic_Codes_Planar.zip, N=360. Same source repository already used for codes/720-122-8.json etc (Seam D); this pulls a different (p,q,N) entry from the same pinned catalog. CSS code, edge model.",
  "references": [
   "github.com/QEC-pages/Quantum_LDPC_Codes"
  ],
  "date": "2026-09-19",
  "notes": "",
  "model": "Claude Sonnet 5"
 },
 "family": "topological"
}