{
  "step": "C386",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Source-qualified E/J affine square and component limits",
  "previous_certificate_sha256": "17517bcc991cd81449249cda4bd0dd16a366ea79b852d59bcd883a7c84d50bc5",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C386_Source_Qualified_E_J_Affine_Square_and_Phase_Limits_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C386_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": "d1177241aff4b1a4a2b0e27e68c0fc9404db143fe8b7f4ef84e771bbb1c5f320",
  "source_manifest_sha256": "517dbfd7f4998936cb5dccd7932b2ca0e49952604ee75b5adb8871cecc329940",
  "report_sha256": "7a4724d5269a46529d1929099cd57d44cb2a5ad997f4851e834ea0c94f6999b1",
  "checkpoint_sha256": "40a0d318b37636067814e50db90e85644e7e2616eed9fdb7612b13f2a79d5507",
  "data_sha256": "3518425889db459752f2e5112b0c066bc51b32d96969d83c0ca8de3ca7b4b89c",
  "results_sha256": "527c3f6c33d838fcf6ff957b00f1e3af9a83b7152bb5d03113b2602605c2fa9c",
  "calculation_sha256": "92a84a4195c9e2aa54658217478dabb9a045f0549f145f7a46d910fadca49965",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "39e31808563a5e777e78f5e76952f6152af0f124fe42aba44fecf124666dfdd3",
  "replay_sha256": "7415f3799263a1faf12f76e82cebfdeb056c5b99c8b211fd48fe9a610cdf629b",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "7b4a5eaa470e68fb0bd80bd620f3b9f466e85907af576e0851ddf6cb4884fdf9",
  "assertions_passed": 26,
  "source_checks_passed": 18,
  "main_result": "Four exact affine E/J squares join existing MT Noah repairs to SP/LXX Shem-birth repairs using next-Gear Shem-death pivots. Common slope7500/6877; two coherent phase assignments per square. The target500+600=1100 geometry differs from the original2K1058 side by42; this is not a17K/2K-preserving global action.",
  "limits": "The identity proves a finite source-labelled comparison, not historical intent or an author-prescribed protocol pairing. Matched-component maps differ from one physical-time action. No biography-preserving or original529-side-preserving action is inferred.",
  "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": "Test the E/J square against the existing SP companion and valid502/98 Shem bindings, preserving actual Gear membership and recording the exact failures rather than treating the500/100 realization as a source selector.",
  "next_step_executed": false
}