{
  "step": "C380",
  "status": "passed",
  "assertions_passed": 34,
  "checks": [
    "source graph has unique successors ('cumulative', None)",
    "uniform finite source step ('cumulative', None, -5884)",
    "moving source gap normal form ('cumulative', None, -5884, 0)",
    "moving source gap normal form ('cumulative', None, -5884, 1)",
    "pivot shift is common gain ('cumulative', None, -5884, 1)",
    "fixed-pivot iteration misses next source ('cumulative', None, -5884, 1)",
    "moving source gap normal form ('cumulative', None, -5884, 2)",
    "pivot shift is common gain ('cumulative', None, -5884, 2)",
    "fixed-pivot iteration misses next source ('cumulative', None, -5884, 2)",
    "uniform finite source step ('cumulative', None, -5883)",
    "moving source gap normal form ('cumulative', None, -5883, 0)",
    "moving source gap normal form ('cumulative', None, -5883, 1)",
    "pivot shift is common gain ('cumulative', None, -5883, 1)",
    "fixed-pivot iteration misses next source ('cumulative', None, -5883, 1)",
    "moving source gap normal form ('cumulative', None, -5883, 2)",
    "pivot shift is common gain ('cumulative', None, -5883, 2)",
    "fixed-pivot iteration misses next source ('cumulative', None, -5883, 2)",
    "all source edges covered exactly once ('cumulative', None)",
    "source graph has unique successors ('regular', 0)",
    "uniform finite source step ('regular', 0, 3031)",
    "moving source gap normal form ('regular', 0, 3031, 0)",
    "moving source gap normal form ('regular', 0, 3031, 1)",
    "pivot shift is common gain ('regular', 0, 3031, 1)",
    "fixed-pivot iteration misses next source ('regular', 0, 3031, 1)",
    "all source edges covered exactly once ('regular', 0)",
    "source graph has unique successors ('regular', 1)",
    "uniform finite source step ('regular', 1, 3246)",
    "moving source gap normal form ('regular', 1, 3246, 0)",
    "moving source gap normal form ('regular', 1, 3246, 1)",
    "pivot shift is common gain ('regular', 1, 3246, 1)",
    "fixed-pivot iteration misses next source ('regular', 1, 3246, 1)",
    "all source edges covered exactly once ('regular', 1)",
    "four maximal source paths",
    "six consecutive edge pairs"
  ],
  "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 C378_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."
}