{
  "step": "C416",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Coherent four-station SP companion to MT 2K profile",
  "previous_certificate_sha256": "a35c5027e5e7ed4076f7f0ab6b882193a1e890c767d9f822ed46e6ba2f530e9b",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C416_Coherent_Four_Station_SP_Companion_MT_2K_Profile_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C416_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": "fa354773ac070839b34d802bd6efe5772d13c92085ddcb3b2b96fee4c356bb3b",
  "source_manifest_sha256": "44c8bcb24f8fffd89def064bb3bd7c91ddd97b4ad5b04a24d611bb3e5f4efcfa",
  "report_sha256": "8c75beb21a614f1290f52f8369e4a2abf3293ece14e918cddb18ce5d9ce0b63e",
  "checkpoint_sha256": "32222567a0b5a694126625b96f045a60a9305f4bc80fa34246241171bfd104f9",
  "data_sha256": "d66376c65fb77e7436c845b1feb3eccf8c6488bbc9124154b73103fbbed1a5d4",
  "results_sha256": "b045099785d605aa7bd14970712972b5a0ec10a3c747966d9bc7e3d98d1a178b",
  "calculation_sha256": "8384362981bf1232c50236a232ddee7f4032796610a097d735627694230378f4",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "c8e0537d60644f9c779088433cab7c253e0cb302d9a02732dc5ddeb913ee5c0e",
  "replay_sha256": "14712e1a64d8e5f4e0a05522566610fd6f1d61c47831e4c35da8ad0d64950b85",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "4ccc07de6238116acff2a23cac11f79a188be1f649c1188588def8a231fe5646",
  "assertions_passed": 25,
  "source_checks_passed": 14,
  "main_result": "One coherent SP-companionG3 C1/T1/F1 versus MTG1 C0/T0/F0 profile has four same-role2K pairs:3899/2841 Noahbirth,3399/2341 Shembirth,2949/1891 Noahdeath,2799/1741 Shemdeath. Translation−1058 preserves all six pairwise intervals, including Noah950 and Shem600. Its single source offset is650+130+60+215+4−1=1058; Flood boundaries and uniqueness remain separate.",
  "limits": "This preserves endpoint biographies in a finite source menu. It neither prescribes a chronology operator nor establishes historical intention or a global Mirror axis.",
  "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": "Census every unordered pair of the96 regular person contexts without prefiltering tradition, rail, variants or Gear, and determine whether any other complete same-role four-station profile has difference2K.",
  "next_step_executed": false
}