{
  "step": "C269",
  "date": "2026-09-24",
  "status": "completed",
  "title": "The LXX closing sources join retained17x529 paths",
  "previous_certificate_sha256": "dd081b556118711b9e8aef97a329f8d3f688664b3dd5f6aa523bc6fca804a34f",
  "source_manifest_sha256": "c3c3f7a983c5ebc3b92dbeaeb73a39696071de836b82b247348d27ef67f565b7",
  "report_sha256": "51aec1a458624280210af221b3c4b5f94d4e0df642d97845325b1f4e7a6486e5",
  "checkpoint_sha256": "500767534c59b078ff69238d69141a390dd14acd1c683ca7b362cb1feaa7b751",
  "results_sha256": "5ce1f7eae1fd934772246ffc2cd4285286eb32655f8c2086c7497f07119e453e",
  "replay_sha256": "5d4250a58c85265691caca832f0d14b8f3f285f5af753839e3baee41404febea",
  "control_integrity_sha256": "3aada91ed98f34bcf0aa7a1c3fd0b1e2ec59209048dd0aa7d8dffd90f974fb61",
  "assertions_passed": 145,
  "replayed_output_files": 6,
  "regular_Gear_scope": [
    "Noah",
    "Shem",
    "Flood"
  ],
  "controls_modified": false,
  "graph_modified": false,
  "new_source_event_identities_asserted": false,
  "main_result": "The exact bilateral LXX closing sources participate in a source-qualified600-by8993 rectangle and retained17K paths; the Flood closing member refines both868 attachments and already has the C254 closing route",
  "scientific_limits": [
    "New source subdivisions are not stored C127 edges",
    "Inherited closing6875 path does not repair missing exact6877 Flood target2462",
    "Source translations remain distinct from C268 seasonal-component-to-pair-center rescalings",
    "Rectangle is dependent integration, not new independent17K witnesses or a regular Shem299 chain"
  ],
  "next_proposed_step": "C270",
  "next_step_executed": false
}