{
  "$schema": "og-gate-1.0",
  "module": "assembly",
  "variant": "baseline",
  "dim": "acoustics",
  "value": 15.74,
  "unit": "dB_link_margin",
  "threshold_pass": 6.0,
  "threshold_obj": 12.0,
  "rag": "GREEN",
  "cas_score": 1,
  "cas_factors": {
    "verification": 3,
    "validation": 1,
    "input_pedigree": 2,
    "results_uncertainty": 2,
    "results_robustness": 2,
    "use_history": 3,
    "ms_management": 2,
    "people_qual": 2
  },
  "cas_rollup_policy": "OG-conservative-min (stricter than NASA-7009B App.B.4)",
  "validated_vs_reality": "PENDING",
  "risk_trace": [
    "R6"
  ],
  "evidence": "freq=25.0kHz range=1000.0m depth=50.0m SL=170.0dB TL=34.3dB SPL@rx=135.7dB threshold=120.0dB margin=15.7dB method=arlpy_bellhop_subprocess water_depth=200.0m",
  "tool": "analysis_gate_acoustics.py (arlpy_bellhop_subprocess)",
  "standard": "ASME V&V 20 credibility; acoustic link budget (Thorp/BELLHOP)",
  "ts": "2026-08-04T00:47:29.655654+00:00",
  "measurement_complete": true
}