{
  "step": "C463",
  "status": "completed",
  "title": "Source-Qualified Mirror Conjugacy of the Mixed Operator Menu",
  "previous_certificate_sha256": "ed8ddc5df0ab0c02e9c306f3638fa510e6c5629752f0f2782e657743c7b3e8b1",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C463_Mirror_Conjugacy_With_Anchor_Source_Gates_20260925.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C463_20260925.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": "10f7bb59e6c4d27b94ec6a9d7765ed2caebc319ff85e2f608439bec61a6ed75c",
  "source_manifest_sha256": "8bb9844b9fc42bc0cf7a59d0be503d9680cb5912fe5997cb451a3bd1ea59fdc7",
  "report_sha256": "e312d35d7d164fe82857e20a8d15dbe1b4f9144c780594201de077c2008e74eb",
  "checkpoint_sha256": "989703b06c3c5a049d71a6ecc6583c7891995ba7ac1f93a3690c2508f2a7a1d2",
  "data_sha256": "b113a1ea91508e5e4e081a01b3c944150decd19602a870b85284d99dcf87f287",
  "results_sha256": "780d41ac0316ae2d83183f918d3fb6a62995a3c041adff4b1075709c55ed0f27",
  "calculation_sha256": "1a2a8c614a00e42987367bc711d7fbdec1a81bdc31d4bbc0ef81d948b3845079",
  "verifier_sha256": "46964ade0128d97b589fb678853daf7b81ffff1d90eb1a99221031ba734b093f",
  "next_step_decision_sha256": "36e5c09a96fe19395721f0eb36526fa33861ada44e5dace8fb1fd9e4a673868c",
  "replay_sha256": "0f2efd2b84d65088e1379e032a1505c2fc9aeca8ee75e4cb8eaaa14b947e2ff7",
  "control_integrity_sha256": "24e687bf3e03c7f16c3ca2aafe4c72e9aab25f03d55fa644c44a178e698ff3df",
  "readme_sha256": "bd31888a9c9bf06c631f44905955358c4b516d687d8f9f65fa6e057caad5b219",
  "assertions_passed": 490,
  "source_checks_passed": 21,
  "main_result": "Across490 fixed-Mirror conjugacy trials, seven arrows have sourced cumulative endpoints but only six also have sourced anchors. All six are reflections: four fixed loops and the two directions of one four-year comparison. The sole E endpoint image,−6344→−6346, requires absent pivot−6321, so no E arrow is fully sourced in this cumulative menu.",
  "limits": "The negative cumulative result is limited to the48 declared records and two fixed exchanges. No missing reflected pivot or cumulative Gear operation is added.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_step_executed": false,
  "next_proposed_step": "Remove SP-companion labels as a declared sensitivity control, require every surviving operator anchor as well as its endpoints to remain sourced, and measure which529 interval ladders, local cycles and inherited corner controls survive."
}