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 },
 "distance": {
  "d": 18,
  "X": {
   "value": 18,
   "confidence": "upper_bound",
   "witness": [
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   ]
  },
  "Z": {
   "value": 18,
   "confidence": "upper_bound",
   "witness": [
    0,
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    64,
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    86,
    98,
    104
   ]
  }
 },
 "provenance": {
  "authors": [
   "@MathysRennela"
  ],
  "construction": "Quantum Tanner code on a left-right Cayley complex over C6; A- and B-side local codes both [6,3,3] shortened Hamming; matrices verbatim from arXiv:2512.20532 auxiliary files.",
  "origin": "submission",
  "date": "2026-08-21",
  "model": "DeepSeek V4 Flash 0731",
  "novelty": "known_parameters",
  "references": [
   "arXiv:2512.20532"
  ],
  "notes": "Reproduction of a published quantum Tanner code from arXiv:2512.20532 (Table 1b). Parity-check matrices taken verbatim from the paper's auxiliary files. Distance is witness-backed upper_bound; the paper reports a QDistRnd upper bound."
 },
 "family": "quantum-tanner"
}