{
  "step": "C422",
  "status": "passed",
  "assertions_passed": 64,
  "checks": [
    "current excerpt MT_PERSONS",
    "current excerpt PERSON_BASES",
    "current excerpt SP_FIELD",
    "current excerpt FLOOD",
    "current excerpt VARIANTS",
    "current excerpt LXX_REMOVAL",
    "current excerpt SP_LOCALITY",
    "current excerpt DUAL100",
    "current excerpt E_P",
    "current excerpt E_SQUARED",
    "current excerpt J_GAP",
    "current excerpt MIRROR_COMPONENTS",
    "direct source reconstruction 0",
    "direct source reconstruction 8",
    "direct source reconstruction 15",
    "direct source reconstruction 16",
    "direct source reconstruction 24",
    "direct source reconstruction 32",
    "direct source reconstruction 40",
    "direct source reconstruction 103",
    "direct source reconstruction 111",
    "direct source reconstruction 119",
    "direct source reconstruction 127",
    "direct source reconstruction 135",
    "direct source reconstruction 143",
    "direct source reconstruction 144",
    "direct source reconstruction 152",
    "direct source reconstruction 160",
    "direct source reconstruction 168",
    "direct source reconstruction 375",
    "direct source reconstruction 383",
    "direct source reconstruction 399",
    "direct source reconstruction 415",
    "direct source reconstruction 431",
    "direct source reconstruction 503",
    "SP person and event guards",
    "J source gap guard",
    "Jan1 axis and quarter source convention",
    "translation phase criterion ('Noah birth', Fraction(-1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Noah birth', Fraction(-1, 4), Fraction(1, 4))",
    "translation phase criterion ('Noah birth', Fraction(1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Noah birth', Fraction(1, 4), Fraction(1, 4))",
    "translation phase criterion ('Shem birth', Fraction(-1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Shem birth', Fraction(-1, 4), Fraction(1, 4))",
    "translation phase criterion ('Shem birth', Fraction(1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Shem birth', Fraction(1, 4), Fraction(1, 4))",
    "translation phase criterion ('Noah death', Fraction(-1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Noah death', Fraction(-1, 4), Fraction(1, 4))",
    "translation phase criterion ('Noah death', Fraction(1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Noah death', Fraction(1, 4), Fraction(1, 4))",
    "translation phase criterion ('Shem death', Fraction(-1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Shem death', Fraction(-1, 4), Fraction(1, 4))",
    "translation phase criterion ('Shem death', Fraction(1, 4), Fraction(-1, 4))",
    "translation phase criterion ('Shem death', Fraction(1, 4), Fraction(1, 4))",
    "translation phase criterion ('selected Flood boundary', Fraction(-1, 4), Fraction(-1, 4))",
    "translation phase criterion ('selected Flood boundary', Fraction(-1, 4), Fraction(1, 4))",
    "translation phase criterion ('selected Flood boundary', Fraction(1, 4), Fraction(-1, 4))",
    "translation phase criterion ('selected Flood boundary', Fraction(1, 4), Fraction(1, 4))",
    "fixed E2 component fails (Fraction(-1, 4), Fraction(-1, 4))",
    "fixed E2 component fails (Fraction(-1, 4), Fraction(1, 4))",
    "fixed E2 component fails (Fraction(1, 4), Fraction(-1, 4))",
    "fixed E2 component fails (Fraction(1, 4), Fraction(1, 4))",
    "joint shifted comparison -1/4",
    "joint shifted comparison 1/4"
  ],
  "source_checks_passed": 21,
  "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 C416_DATA.json",
    "frozen C417_DATA.json",
    "frozen C418_DATA.json",
    "frozen C419_DATA.json",
    "frozen C420_DATA.json",
    "frozen File_02.md",
    "frozen File_46.md",
    "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."
}