{
  "step": "C410",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Complete regular-source domain of the fixed 500-year translation",
  "previous_certificate_sha256": "effba1a2b7e39beec91433c42531ab4314403d387b2757eabdead14c6308acb7",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C410_Complete_Regular_Source_Domain_of_Fixed_500_Translation_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C410_20260924.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": "8e2c1a6f14f578a0374cc3d9e9eaea5ea6586dc080d287b595011c51de82f45d",
  "source_manifest_sha256": "f45927a7097347ca68e761e307661312dabd956c056362c7d0debdc1f0d8ca04",
  "report_sha256": "a863a0880a6fb99566ef170ecbd179b678b3670718c1163be5c31beacaf37726",
  "checkpoint_sha256": "9873593092d43076fc1772802a1bbc880f12cf7721028797c688320be03a0c67",
  "data_sha256": "6360f9a36d1aa074c0f3f17ffaa413feb6a7ce4ea1b0536fa8a50c5264243fb5",
  "results_sha256": "405e46636f4bd3024494da8bd1c8eb87370c9ad68cb138253e7c38b7b3b39dbc",
  "calculation_sha256": "c25f33345006edf3a5d48c76f2ed15ed85bb7afeee005152dde7c18d12b2d635",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "630906374c05bbc566abd3d7563cd7f9db65decfa8c593b276015bef7214c558",
  "replay_sha256": "bd45ba351235c0101639060d4cdabc5434e54d9dbc9e251edf4cdbbaecab8b96",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "a66c2af8e686f31cedb9f8445aac914cf89e7209ce2dd6fa2278e39f10da7a90",
  "assertions_passed": 3,
  "source_checks_passed": 15,
  "main_result": "The373-coordinate−500 census has169 coordinate arrows,392 labelled endpoint pairings and141 maximal coordinate chains:115 of length1,25 of length2 and one of length4. The identified role relations cover168 arrows; the sole extra coordinate bridge3395→2895 creates3895→3395→2895→2395→1895. Source identities remain separate at coincident coordinates.",
  "limits": "All counts refer to the frozen register and one fixed translation. Coordinate aliases, record pairings and repeated routes are not independent historical witnesses; no global translation action is established.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "review_provenance": "Root-agent analysis and deterministic replay; no new independent-agent review",
  "next_proposed_step": "Audit the unique3395→2895 bridge from the source context formula and test continuous record-labelled path lifts of the500 graph. Separate the existing role-defined arrows from the new cross-context comparison, verify its phase conditions, and determine whether the four-step coordinate chain survives without switching identities at shared coordinates.",
  "next_step_executed": false
}