{
  "step": "C441",
  "status": "completed",
  "title": "Complete Source Grammar of the Four Local Reflection Domains",
  "previous_certificate_sha256": "725beafca76ba87c678790512d5f01507e13861d05031f0feffcb5fee14f52e0",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C441_Complete_Local_Reflection_Source_Grammar_20260925.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C441_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": "ec3430708618e72a43b1971b915210a1955a64e01d3ebe68a731285974564be7",
  "source_manifest_sha256": "adc26da84a9b28a3ba08429f30136ae566d7ff2b3a6da47bfe45c4cf7f42f8da",
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  "calculation_sha256": "e0cc6e9eed264c81ec7564cfe3248942f4cfedb4819e69f171d50922a894f767",
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  "readme_sha256": "371cfc2bd2b2d66502501bec18ca8feeecfe8d4dc8e0d601a2ab9da1d1b10304",
  "assertions_passed": 18,
  "source_checks_passed": 20,
  "main_result": "Six source classes partition all258 labelled reflection pairs:Noah complement128;Noah/Shem40;Shem/Flood48;Flood boundaries32;Noah/Flood alias4;MT Noah Gears6. Their112 coordinate memberships reduce to106 orbits through six explicit role-alias overlaps. Residual Flood rule usesC1/T1, complementaryF and boundedGear sums; two600-year Noah-companion/Flood-close pairs overlap Noah-death labels via349=130+215+4; MT centerG2 exchangesG1/G3, whileG3 only fixes itself.",
  "limits": "Six classes describe a finite source comparison inventory. Their coordinate overlaps do not merge event identities, and partial reflection domains do not establish a global group action.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_step_executed": false,
  "next_proposed_step": "Test the reflection conjugacy R_c E_p R_c=E_q at the four sourced centers, census the reversed two-E order on the fixed373-coordinate domain, and determine whether the nonzero2K path and zero-net loop have fully sourced reflected counterparts."
}