{
  "number": 313,
  "title": "SP500-year source binding to17K Noah endpoints",
  "date": "2026-09-24",
  "authorization": "User Proceed after C312; one bounded C313 test.",
  "scope": "Five already admitted C312 SP Shem-life cases, normalized to OFF/Terah0/full430; compare same-index17K Noah with exact Gear, rail, lifespan and phase labels.",
  "canonical_or_graph_edits": false
}