{
  "$schema": "og-gate-1.0",
  "module": "assembly",
  "variant": "baseline",
  "dim": "Dm3",
  "value": 0.0,
  "unit": "m_detection_range",
  "threshold_pass": 800.0,
  "threshold_obj": 2000.0,
  "rag": "BLOCKING",
  "cas_score": 0.0,
  "cas_factors": {
    "verification": 0.0,
    "validation": 0.0,
    "input_pedigree": 0.0,
    "results_uncertainty": 0.0,
    "results_robustness": 0.0,
    "use_history": 3.0,
    "ms_management": 2.0,
    "people_qual": 2.0
  },
  "cas_rollup_policy": "OG-conservative-min (stricter than NASA-7009B App.B.4)",
  "validated_vs_reality": "PENDING",
  "risk_trace": [
    "R6",
    "R8"
  ],
  "evidence": "PENDING_NO_BELLHOP: arlpy/bellhop not available \u2014 error=bellhop binary not found after exhaustive 7-tier search (BELLHOP env, arlpy config, arlpy internal attr, near-arlpy-pkg, PATH, OALIB /opt/at/bin, og-hwverify toolsenv). Run diagnose_bellhop_binary.py on the box to investigate. analytical_fallback=NOT_USED_FOR_GATE_VERDICT freq=25.0kHz max_range=2000.0m depth_tx=50.0m action_required=install_arlpy_and_bellhop_in_og-analysis",
  "tool": "gate_bellhop_tl_q.py (PENDING_NO_BELLHOP \u2014 arlpy/bellhop not available)",
  "standard": "ASME V&V 20 credibility; Jensen et al. 'Computational Ocean Acoustics' (2011); COMMS_LINKBUDGET_GATE spec \u00a717 (margin >= 6 dB @ 1000 m)",
  "ts": "2026-07-02T11:56:38.044982+00:00"
}