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    75,
    92,
    104,
    112,
    120,
    124,
    157,
    161,
    165
   ]
  }
 },
 "provenance": {
  "authors": [
   "Aydin, Arda",
   "Tamo, Itzhak",
   "Barg, Alexander"
  ],
  "construction": "Coset-based two-block code Q_G^H(a,b) from arXiv:2606.17268, published data l=168, GAP SmallGroup id m=33, non-normal subgroup index s=1, a=[1,72,106,109], b=[1,11,18,26]. H_X=[A|B], H_Z=[B^T|A^T]. Reconstructed directly from the authors' released 84x84 permutation building blocks.",
  "references": [
   "arXiv:2606.17268"
  ],
  "date": "2026-06-15",
  "notes": "Published as exact d=15 in Table 2 and in the authors' data. Conservatively recorded here as a witness-backed upper bound pending this repository's own exact certification. Upstream data commit a828dc43c55982e0212febea634775d36bf6e968.",
  "origin": "baseline"
 },
 "family": "2bga-coset"
}