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 "distance": {
  "d": 8,
  "X": {
   "value": 8,
   "confidence": "exact",
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 "provenance": {
  "authors": [
   "Panteleev, Pavel",
   "Kalachev, Gleb"
  ],
  "origin": "baseline",
  "construction": "Generalized bicycle code, circulant size 63, a(x) = 1 + x + x^14 + x^16 + x^22, b(x) = 1 + x^3 + x^13 + x^20 + x^42.",
  "date": "2019-04-04",
  "references": [
   "arXiv:1904.02703"
  ],
  "notes": "Distance certified exact by MILP (HiGHS); every logical-generator coset proven minimal."
 },
 "family": "generalized-bicycle"
}