{
  "step": "C422",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Source and component audit of the new 2K profile",
  "previous_certificate_sha256": "0d78a97cf903d1c917647bd3d12b1d0732b20e15306498b6300127c2c8e507c3",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C422_Source_and_Component_Audit_of_the_New_2K_Profile_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C422_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": "c20f33f8c906fc24a0a0e83808371107ad6a01d2179762110ce68717ce18fedb",
  "source_manifest_sha256": "fa4960dd51589fad7644735a9e614fc66cfbd4d7d2cee54e997e4eb7a7e2e036",
  "report_sha256": "fe43f3fe936f2829894a5dbd0cd01ac523d8e9f3c42f2a29c5622ae033e1c7ec",
  "checkpoint_sha256": "de4248b5a374e633724b58182eb46df11bcc9bb3f63ad1688bf8676422c6090e",
  "data_sha256": "51b57b044320a6d751bee8a4412080cb4fcda0b5bf72b84bd6133d20871a751f",
  "results_sha256": "5cd82c884280b0de8ff1be570fd641b041211d5350f76099633778882c0d929e",
  "calculation_sha256": "935588929ce59d6762865cdcb28bcef12292e33a0c805283e64b3f5e79d2ce2f",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "b120c6900791c2b5894d3eadbcb6a7c4dbfa36a3a52c3ff34def85f369dcfcb6",
  "replay_sha256": "8aea65df35dd33a62c8cc7c90aa3bc4754e0fc1741f493adae8b83f6531fa75c",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "c3bda0a1d08be78bfc558b38a10b7271aec2a469d09f77794a477c02539af5c9",
  "assertions_passed": 64,
  "source_checks_passed": 21,
  "main_result": "Twelvecurrentexcerptcards directlyreconstructall23relevantperson/event/controlrecords. Endpoints and qualifiedsourcebindings are explicit; the2Kprofile andnewE²selection remain derivedcomparisons. Thefive-stationtranslation preserves10of20inheritedquarter-offset assignments, exactlythematchedpairs. Fixedheld3899E² preservesnoneof4assignments (matched errors±24/529); jointlyshiftingpivotandinputpreservestwooffsetcomparisons butisnotonefixedaction. Nonewsourcepointorprotocolprescription is established.",
  "limits": "The alternate component comparisons are not new witnesses, phases or calendar prescriptions. No independent-agent review is claimed. Regular Gears remain Noah/Shem/Flood only.",
  "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": "Consolidate C414–C422, run a separate root-agent arithmetic/source implementation and sealed-packet replay, then publish the C423 synthesis, final checkpoint and recovery packages. Leave C424 unexecuted.",
  "next_step_executed": false
}