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  "construction": "Priced construction calculus E-PEEL of codes/61-10-5.json ([[61,10,5]], max check weight 6; itself Mathys Rennela's priced-calculus E-PEEL of codes/62-10-6.json, a twisted-torus bivariate bicycle code from arXiv:2503.03827): delete qubit 20 (0-based index in the parent file) together with its unique Z check b21, and relabel the surviving qubits in increasing order of their parent indices. Consumer: github.com/unitaryfoundation/code-calculus @ 1b9a942, machine/priced_calculus.py.",
  "references": [
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  ],
  "date": "2026-11-04",
  "notes": "Single-step priced-calculus E-PEEL child of board entry 61-10-5. 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": {
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