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 "distance": {
  "d": 10,
  "X": {
   "value": 10,
   "confidence": "upper_bound",
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 "provenance": {
  "authors": [
   "Bravyi, Sergey",
   "Cross, Andrew W.",
   "Gambetta, Jay M.",
   "Maslov, Dmitri",
   "Rall, Patrick",
   "Yoder, Theodore J."
  ],
  "origin": "baseline",
  "construction": "Bivariate bicycle code, orders (9, 6), A=x**3 + y**2 + y, B=x**2 + x + y**3 (periodic boundary conditions).",
  "date": "2023-08-15",
  "references": [
   "arXiv:2308.07915"
  ],
  "notes": "Distance d=10 established in arXiv:2308.07915 (Table 3); witness here is a decoder-found logical operator of that weight (upper bound)."
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