{
  "step": "C440",
  "status": "completed",
  "title": "Opposed 500-Year Transport of Two Reflection Classes",
  "previous_certificate_sha256": "b6710627206c3de35e18662154c390413d74b7da7f98a39db5b1729c58eb3b02",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C440_Opposed_500_Transport_of_Reflection_Classes_20260925.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C440_20260925.md",
    "data": "evidence/DATA.json",
    "results": "evidence/RESULTS.json",
    "calculation": "evidence/CALCULATION.py",
    "verifier": "evidence/check.py",
    "next_step_decision": "NEXT_STEP_DECISION.json",
    "replay": "REPLAY.json",
    "control_integrity": "CONTROL_INTEGRITY.json",
    "readme": "README.md"
  },
  "step_sha256": "c9bd5d347cbd1213b2adb79892c6dac3eb9a326d465b16df2f6a3d155a7a6166",
  "source_manifest_sha256": "ea785f850d191637838247d283f2e83d4468aa154d70efd3825ba8b23be13e1a",
  "report_sha256": "277be0e89a3fc6ba72811b774b23aa7be014d833a5c70559231b556a876095fa",
  "checkpoint_sha256": "344b41e1cabfec3782ceca10870373039b095c91dc4586f393753a1acd3bf25c",
  "data_sha256": "b92d4be127b069a0116f97c96900ab69bdcc892d3ec5d16616606c82b858927f",
  "results_sha256": "f975baf1a89518a71933ff7508a374b253149ba98fb14323b4e01d60b5494fbf",
  "calculation_sha256": "c603390570f695663ab13910cf9a1cf176b4a19ec04370c11ebc79931dc64025",
  "verifier_sha256": "61226d6621cddd2fc4ff6c4d4a19e4fdbe2eab7cf4ffab714d324c764479bc09",
  "next_step_decision_sha256": "84160aab19515a952af599f8963c4442dcb7bffb592c791dca913c2a8debc407",
  "replay_sha256": "5cf20420b96c95b2ee875567e822fa2713645e34c7b643b8e939452ad3f4b27d",
  "control_integrity_sha256": "08d2f8a5987f61e235f75753157ad528755f646694a8bcf86b733ccf4c9c9e57",
  "readme_sha256": "0ac9e0a54f563f5ae307d204ccda7cf1c959e4d0088f500bc6a01e8fd62c72f0",
  "assertions_passed": 86,
  "source_checks_passed": 19,
  "main_result": "Opposed500 shifts Noah birth→Shem birth (−500) and Shem death→Flood start/close (+500) biject all16 coordinate pairs of the two reflection classes.40 source-label pairs yield40 tradition-preserving targets within48 target labels; the extra8 are LXX Flood-close aliases, not LXX companions. Four bounded context-sum templates classify the source class. One pair atc3250 reverses coordinate order:3705/2795→3205/3295.",
  "limits": "Opposed endpoint shifts preserve a pair sum but are not a shared chronology translation. The eight extra Flood-close aliases do not license LXX person companions or independent witness counts.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_step_executed": false,
  "next_proposed_step": "Close the C438 reflection inventory by deriving the remaining Flood-start/close, MT Noah/Gear and Noah-birth/Flood-close alias classes, then verify that the resulting source grammar accounts for every labelled and coordinate pair without double-counting aliases."
}