{
  "step": "C398",
  "status": "passed",
  "assertions_passed": 18,
  "checks": [
    "original source branch translation 0",
    "unique translated E pivot absent 0",
    "retaining old E pivot fails 0",
    "old and new Mirror cross spans 0",
    "E held Noah already upper branch 0",
    "no phase source pivot (0, Fraction(-1, 4), Fraction(-1, 4))",
    "no phase source pivot (0, Fraction(-1, 4), Fraction(1, 4))",
    "no phase source pivot (0, Fraction(1, 4), Fraction(-1, 4))",
    "no phase source pivot (0, Fraction(1, 4), Fraction(1, 4))",
    "original source branch translation 1",
    "unique translated E pivot absent 1",
    "retaining old E pivot fails 1",
    "old and new Mirror cross spans 1",
    "E held Noah already upper branch 1",
    "no phase source pivot (1, Fraction(-1, 4), Fraction(-1, 4))",
    "no phase source pivot (1, Fraction(-1, 4), Fraction(1, 4))",
    "no phase source pivot (1, Fraction(1, 4), Fraction(-1, 4))",
    "no phase source pivot (1, Fraction(1, 4), Fraction(1, 4))"
  ],
  "source_checks_passed": 15,
  "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",
    "frozen C379_DATA.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."
}