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 "distance": {
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  "X": {
   "value": 17,
   "confidence": "upper_bound",
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 "provenance": {
  "authors": [
   "@mathysrennela"
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  "construction": "Bivariate bicycle on Z_11 x Z_7; A=[(7,0),(5,6),(9,2),(4,5)]; B=[(8,3),(4,4),(9,0),(9,5)].",
  "origin": "submission",
  "date": "2026-08-28",
  "model": "GPT-5.6 Luna",
  "notes": "Unattended bounded sweep; distance is a witness-backed upper bound. The trusted board gate found no equivalent existing entry and reports an advance in the weight-8 x unrestricted cell; literature novelty remains unverified."
 },
 "family": "bivariate-bicycle"
}