{
  "step": "C401",
  "status": "passed",
  "assertions_passed": 21,
  "checks": [
    "circuit denominator exceeds source range (3031, 'P')",
    "only the basepoint remains in source menu (3031, 'P')",
    "formal529 span images (3031, 'P')",
    "circuit denominator exceeds source range (3031, 'J')",
    "only the basepoint remains in source menu (3031, 'J')",
    "formal529 span images (3031, 'J')",
    "circuit denominator exceeds source range (3033, 'P')",
    "only the basepoint remains in source menu (3033, 'P')",
    "formal529 span images (3033, 'P')",
    "circuit denominator exceeds source range (3033, 'J')",
    "only the basepoint remains in source menu (3033, 'J')",
    "formal529 span images (3033, 'J')",
    "circuit denominator exceeds source range (3035, 'P')",
    "only the basepoint remains in source menu (3035, 'P')",
    "formal529 span images (3035, 'P')",
    "circuit denominator exceeds source range (3035, 'J')",
    "only the basepoint remains in source menu (3035, 'J')",
    "formal529 span images (3035, 'J')",
    "complete finite source evaluation",
    "common529 lattice index",
    "all longer positive circuits also exceed menu"
  ],
  "source_checks_passed": 14,
  "source_checks": [
    "frozen PREVIOUS_CERTIFICATE.json",
    "frozen PREVIOUS_RESULTS.json",
    "frozen PREVIOUS_DATA.json",
    "frozen PREVIOUS_CHECKPOINT.md",
    "frozen PREVIOUS_NEXT_STEP.json",
    "frozen File_18.md",
    "frozen File_09.md",
    "frozen C286_DATA.json",
    "frozen C287_DATA.json",
    "frozen C271_REGISTER.json",
    "predecessor PREVIOUS_RESULTS.json",
    "predecessor PREVIOUS_DATA.json",
    "predecessor PREVIOUS_CHECKPOINT.md",
    "predecessor PREVIOUS_NEXT_STEP.json"
  ],
  "canonical_or_graph_edits": false,
  "check_scope": "Finite source-labelled calculation; counts are verification inventory, not witness counts."
}