{
  "step": "C443",
  "status": "completed",
  "title": "Fixed Mirror Test of the Local Reflection Domains",
  "previous_certificate_sha256": "0f207fad873f96a568c93ec48c3544a0a58eb40bb4e0525b6cd124c2e4a75ae8",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C443_Fixed_Mirror_Test_of_Local_Reflection_Domains_20260925.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C443_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": "461d547c5060b9b11522b33085d838f403f502d632b03d803ea3225a0a7e9892",
  "source_manifest_sha256": "ebf624f69877ab9e7d516d8a1097e20b4e1823600973dae9fb775a5cf6893334",
  "report_sha256": "aa5057bd5744767e926ff65bb60bb7baf5b790c30b3003102d07a76b568bc23b",
  "checkpoint_sha256": "c4d18606f399e4380e1ddd2f9330c1e06cfbcffc0e4860bae30297ec2b76bf6c",
  "data_sha256": "a1064f0a67be12ebef880ee97366509a2748e0042c99eaef96b304462212232a",
  "results_sha256": "6320fbf88e2c2eb7e39dd39130ba418fc89c6366cee31e283c2615ecba44e777",
  "calculation_sha256": "04324757587fa9622677795b4dd0b0eaf3610e10c2ff8cc7733eb8ea45b4b798",
  "verifier_sha256": "61226d6621cddd2fc4ff6c4d4a19e4fdbe2eab7cf4ffab714d324c764479bc09",
  "next_step_decision_sha256": "5c823526c5d2eafd89f17ca3dc66dffe77449c26bddd07a7f697fe4bf09352ea",
  "replay_sha256": "17c3743b5d8e9bed9769ecb5e63c7023a95624708b3deb8f0f490dcbdeeae277",
  "control_integrity_sha256": "08d2f8a5987f61e235f75753157ad528755f646694a8bcf86b733ccf4c9c9e57",
  "readme_sha256": "49a9db6e39e3a51479f78dc8d7e2825b6b175834913188c6fdc1d638b07b14c8",
  "assertions_passed": 428,
  "source_checks_passed": 23,
  "main_result": "Under inherited exchanges−2639−x/−2635−x, originali3/i5 positive controls retain17K. The four local reflection domains give416 slot trials with37 LXX cumulative source memberships, and212 orbit trials with5 complete images (4fixed). The only nonfixed image is MT Noah3246/3250→LXX-OFF Shem−5885/−5889 under−2639, a4-year pair. All16 images of the3188 core and two-E path stations are absent from the fixed48-record LXX cumulative menu. No new cumulative Gear or Mirror closure follows.",
  "limits": "Negative claims are restricted to the unchanged corner exchanges and48-record LXX cumulative menu. The sourced four-year partial image is retained; it does not close the core profile or establish a new17K rectangle.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_step_executed": false,
  "next_proposed_step": "Consolidate C435–C443, verify the decisive source grammar and operator/Mirror boundaries with a separate implementation, audit all sealed packets, and publish C444 with the reading index and recovery packages. Leave C445 unexecuted."
}