{
 "schema_version": "0.3",
 "name": "[[34,8,5]] E-PEEL of 35-8-5",
 "code_type": "CSS",
 "n": 34,
 "k": 8,
 "checks": {
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 },
 "distance": {
  "d": 5,
  "X": {
   "value": 5,
   "confidence": "upper_bound",
   "witness": [
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    15,
    18
   ],
   "witness_provenance": {
    "found_by": [
     "@vprusso"
    ],
    "date": "2026-11-03",
    "found_at_samples": 3000,
    "survived_samples": 3000,
    "tool": "research/kit/surrogate.lightest_logical",
    "seeds": [
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    ]
   }
  },
  "Z": {
   "value": 5,
   "confidence": "upper_bound",
   "witness": [
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   "witness_provenance": {
    "found_by": [
     "@vprusso"
    ],
    "date": "2026-11-03",
    "found_at_samples": 3000,
    "survived_samples": 3000,
    "tool": "research/kit/surrogate.lightest_logical",
    "seeds": [
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 },
 "provenance": {
  "authors": [
   "@vprusso"
  ],
  "construction": "Priced construction calculus E-PEEL of codes/35-8-5.json ([[35,8,5]], max check weight 8; itself Mathys Rennela's priced-calculus E-PEEL of codes/36-8-6.json, a generalized bicycle code reconstructed from qecdb record 67a542959d65c7b409826a52): delete qubit 20 (0-based index in the parent file) together with its unique Z check b11, and relabel the surviving qubits in increasing order of their parent indices. Consumer: github.com/unitaryfoundation/code-calculus @ 1b9a942, machine/priced_calculus.py.",
  "references": [],
  "date": "2026-11-04",
  "notes": "Single-step priced-calculus E-PEEL child of board entry 35-8-5. verify/validate_candidate.py found no board entry sharing this code's fingerprint or Weisfeiler-Leman signature, local-Hadamard images included.",
  "model": "Claude Fable 5.1",
  "origin": "submission",
  "search_budget": {
   "ris_trials_per_side": 10000000
  }
 }
}
