{
  "step": "C336",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Coherent source-pair lifts of the two-year choices",
  "previous_certificate_sha256": "712296c145ed7b62b4ef7528fb244a5a8278e57d75c280e0e09f94682b112c85",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C336_Coherent_Source_Pair_Lifts_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C336_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": "f74a89010defce7686e3163e0c399dba7ce613bea32cbea50e1e4b71ebea9828",
  "source_manifest_sha256": "9c0c03d1bc0617d52a60734e34abccd2ad726c26a9e427c585580ae120f681be",
  "report_sha256": "56349b3c0368c48adfa475bfd6b89b186523d9e7b31e5adf448dcfa198041b06",
  "checkpoint_sha256": "3e315acc5efcb552ff0ac7e3bee88c1eb37f2d0c47597be3c30cf2efc522e46c",
  "data_sha256": "92eef6bc135313a52fac3a44f210d208070ad2d09705828c0cbae1e73f7bd84a",
  "results_sha256": "a582b094f2321d5458135877620bb16cdc55ec87e7d778366ddd9cb62fa885ee",
  "calculation_sha256": "ddad9a2d948b6d6544392025cdf1a86e9dfaab679f58003b6d36399169832211",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "a80d88b957fe45de6d1e11afeb823ee86bb28876edddef31d55f99e9f85b9d77",
  "replay_sha256": "0322675c6896e97ca7a2c7e1fb58ae35bcda71b14d3f1c81961b0a4ec5f279cc",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "665c7ae44d5248ce851c8985cb55a0a0cdeec50a7392722452646bab48d67c17",
  "assertions_passed": 29,
  "source_checks_passed": 17,
  "main_result": "Whole native-ON cumulative pairs retain600 under annual+2. Whole restored-MT pairs retain600/start or601/close under Gear+1. Holding OFF-Flood or old MT Noah creates the1058 and598/599 comparisons, respectively; no source biography is changed.",
  "limits": "Finite source-pair lift only. Coherent motion and cross-profile reselection are both retained under their own descriptions. No new phase, date, cumulative Gear or prescribed selector.",
  "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": "Factor the existing left and right2K conditions into their source selectors. Derive necessary and sufficient conditions within the already frozen cumulative ON/OFF and regular Cainan/Terah/Gear/rail domains; reconcile the factorization with C287 rather than repeating its census.",
  "next_step_executed": false
}