{
  "step": "C338",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Source-qualified Noah-held double-E interval ladder",
  "previous_certificate_sha256": "5eb53660465a4653dc244c3034adcb6f0e38d4ade5b00b8809ecf9435deae834",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C338_Noah_Held_Double_E_Source_Interval_Ladder_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C338_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": "03cfa329ebcfd7896685d52b09560e9c93aaed9a59327e7aef24ffb0778293af",
  "source_manifest_sha256": "ea0344c8f4a25c8b348d3f4662ba62da7cd79d7ba8a05aaa2e4bf672e35c250f",
  "report_sha256": "fd1416aadede6629c31eda89c80e8e12f3862cf5d3f6a0aca87ac73503cb4a8b",
  "checkpoint_sha256": "5e2aa4076340299e236432da8e6c72a64ce4188b5e377e4174dd20163003dc6e",
  "data_sha256": "3b6193173a780920530ef6aea2eba94d5c2817d535f34a042bfeeafd67fad102",
  "results_sha256": "9fec87cb60f2acbc3a68a3fe23dcbe7b2a57b392a0c5a8279e9c3a1be90acaa8",
  "calculation_sha256": "2d041c856717d8bbed69012bd5d15e3b528ba51288ab013ac371808d076a307f",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "636dad9cd975798378a662547787c220e5c57313c70c68bd71ea7f3b1810a76a",
  "replay_sha256": "535fbb452882503266c86626089c04f8cfc613116ed90e8aeb618b89e7b5d258",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "19a9914a147b20bded3a8a2fb0509468f791e29755a8121b8678de7768d050e1",
  "assertions_passed": 33,
  "source_checks_passed": 17,
  "main_result": "Primary i3/i5 give source intervals1058→1150→1250 with SP Noah held and MT restored-next-Flood/base-Shem/base-Flood endpoints. Both companions retain1058×E²=1250 but their actual MT Shem interval is1149, so no complete sourced intermediate1150. Scalar and other endpoint realizations predate this step.",
  "limits": "Source-qualified duration realization, not proof of a prescribed expansion, independent witness or chronology-wide dilation. C89 prior art is retained and distinguished. No new endpoint, phase or fitted anchor.",
  "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": "Test the Noah-held ladder against the previously admitted500/100 and502/98 Shem bindings, using the named G2 Noah/Flood with G2 versusG1 Shem control. Determine which equalities survive without creating a missing lower Gear or MT companion.",
  "next_step_executed": false
}