{
  "step": "C328",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Existing MT context sensitivity of residual partitions",
  "previous_certificate_sha256": "2e91d0d5ce9e1a459854e128f06e9c7c0ed360ba8a222dbaf0e74a1cd9c76534",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C328_Existing_MT_Context_Sensitivity_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C328_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",
    "review_0": "evidence/C328_Independent_Audit.py",
    "review_1": "evidence/C328_Independent_Audit_Results.json",
    "review_2": "evidence/C328_Independent_Review.md",
    "review_3": "evidence/C328_Source_Review.md",
    "review_4": "evidence/C328_Source_Results.json"
  },
  "step_sha256": "8e0e3361f0cb6023756c1fba7e7a06c20176ce7d2152e520bbda9edddf44873d",
  "source_manifest_sha256": "4b84c468d0e2494948aac78bd124a281e2cb898ac03f41fbd3187945a6761ed1",
  "report_sha256": "25d2e393b9fcc6724a8d3f635dfdde21052fb95ef658473cf32c402533a484c2",
  "checkpoint_sha256": "cd80ddb4a4a76e58f9c4c8b984b58c50a11330a9a03ecf552745487e948951d2",
  "data_sha256": "88e4fa76079f4f7f265c255f3827566898d3976a74ba11cbcfad096894ac5ec1",
  "results_sha256": "ca048d21965a2f9a1fe4253b085a117df4aa63ba17aeb7a16c92fdd5ced8a4e0",
  "calculation_sha256": "cb0479bea3498d968ddf2bf398d3918a87cf9de17b123112586fd0873ee505b3",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "9d4c33a0e62e5a6f729d9080928f0890438e7e265f77eba11741e0cb09431bb3",
  "replay_sha256": "aefc17c5a657138e8520e098cf573f304962a276a441178b98fb690b599ab7b9",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "a4bc8f3c9e6b43ad279a3c72d7b15aee07022e6218f479b93d762614880465cd",
  "review_0_sha256": "d460b30838294b9bd8d0bdc977d8b2d5f0aea9074f036fda0120d568594a4378",
  "review_1_sha256": "422de2b1d63f3e0ca1e3f3ec4bf6abf3517ce716085cff872deec9236f603120",
  "review_2_sha256": "bbb520e0ca98e7cc052a5f3bbe3cb086a1d816e4b6363a678136a3968bc71771",
  "review_3_sha256": "e718c410203d7f91c23f6565a8dbeccefc340f70a1ccfcba0f41a3601f95af96",
  "review_4_sha256": "19714b67944b7d425c03d858aff1986de0d058e418617968027d047da224006e",
  "assertions_passed": 209,
  "source_checks_passed": 15,
  "main_result": "Four existing MT contexts give same-role shifts650,590,520,460 and Noah950 residuals300,360,430,490. The selected490 is exact but context-dependent. C327 is recovered as theON/60slice.",
  "limits": "Only the existing four-context menu is exhausted. No broader context search, new operator, independent historical witness or source selector is established.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": true,
  "next_proposed_step": "Compare the two explicitly source-qualified G2 Noah/Flood bindings with G2 Shem (500/100) and G1 Shem (502/98), in both held SP and restored-MT contexts. Which residuals survive the binding change?",
  "next_step_executed": false
}