{
  "step": "C402",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Source reconstruction and warrant of the return-loop grammar",
  "previous_certificate_sha256": "97283b9fc6419abfd24ca0622322672f1a3c332d2a040d4331c4ee77e34dcf8b",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C402_Source_Reconstruction_and_Warrant_of_Return_Loop_Grammar_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C402_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": "b39abfffe3cd37b43ac8138647fc438939c165f7e5c5250e2f5e5b2c8048dd8e",
  "source_manifest_sha256": "757270f726b4575fb91158e58ff2940f8af8d21363b3712a271429438bf5815c",
  "report_sha256": "41b7a28fc458750903e454d0e3f9dd4858eafdaf90d28cb882da474c3b2b6d82",
  "checkpoint_sha256": "430d25bb972257e3f72922b48eea3dcbdeb5ffeeb4a0328f2a6a454b99f56e60",
  "data_sha256": "03134cd017dd39ad22f6c2c989509c975b177a0e0f0ee53f7118d1ad445588ff",
  "results_sha256": "5e6beecd0ced30d279d28b2dc071298b9502df49e6160db2d29986db4227ac6d",
  "calculation_sha256": "b9feadaf2c4855215f7d63044c602710376c1eadcfd4278a5c8fc0ee2e6d1561",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "a9dc0bd9009e100ad728b435e8bd0ae8f0845d9133832c78dddd7eef751bc5fb",
  "replay_sha256": "8f31b544c6348effbbb49d751e06e1c9899ce4eec89b137737567bc6bc8f9877",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "fb2f684ff45a7774134a83e7e696c50eb2d4eb1a54c34c1e644566fb33996996",
  "assertions_passed": 84,
  "source_checks_passed": 19,
  "main_result": "Direct source-table/variant reconstruction matches all52 labelled record slots in12 loop comparisons. LXX native/removal states and independent SP Flood-close handling are explicit. The scalar operators and endpoints are sourced; assembling the circuits and their normal form is derived affine research. No source prescription for the new circuit grammar is established in the reviewed passages.",
  "limits": "The warrant review is limited to the ten frozen source excerpts and stated dependencies. Mathematical/source compatibility is not proof of historical intention, a prescribed date action or independent corroboration.",
  "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 C394–C402 in C403, verify the principal source census and path algebra with a separately written root method, replay the sealed packets, and publish the synthesis, checkpoint and recovery files. Leave C404 unexecuted.",
  "next_step_executed": false
}