{
 "schema_version": "0.1",
 "name": "[[50,2,7]]",
 "code_type": "CSS",
 "n": 50,
 "k": 2,
 "checks": {
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  "Z": [
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 },
 "distance": {
  "d": 7,
  "X": {
   "value": 7,
   "confidence": "upper_bound",
   "witness": [
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    4,
    42,
    43,
    46,
    47,
    49
   ]
  },
  "Z": {
   "value": 7,
   "confidence": "upper_bound",
   "witness": [
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    40,
    42,
    43,
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 },
 "provenance": {
  "authors": [
   "@mathysrennela"
  ],
  "construction": "Reconstructed from qecdb.org record 674f22dad96c81d3c7c0bb80 (https://qecdb.org/codes/674f22dad96c81d3c7c0bb80); the record's H field is read as binary symplectic rows and split by rowspace (rank(A|B) = rank(A) + rank(B)), keeping the lightest independent basis of each part; n, k and the check weight recomputed here, witnesses from the kit's random search at the trials below. Database description: toric; database distance claim d=7 (lower 7, upper 7).",
  "origin": "submission",
  "date": "2026-09-27",
  "model": "Mimo-V2.6-Free",
  "notes": "Equivalence assessed against the board: no exact stabilizer-group fingerprint match and no Weisfeiler-Leman signature match to any existing entry."
 },
 "family": "topological"
}