{
  "$schema": "og-gate-1.0",
  "gate": "G-DDAM-SHOCK-001",
  "module": "M07b",
  "variant": "per-module",
  "dim": "D-SHOCK",
  "value": 2.534,
  "unit": "margin_ratio (min over applicable checks)",
  "threshold_pass": 1.0,
  "threshold_obj": 2.0,
  "rag": "GREEN",
  "cas_score": 0,
  "cas_factors": {
    "verification": 6,
    "validation": 0,
    "input_pedigree": 5,
    "results_uncertainty": 4,
    "results_robustness": 5,
    "use_history": 7,
    "ms_management": 6,
    "people_qual": 6
  },
  "cas_rollup_policy": "OG-conservative-min (validation=0 pre-test is correct)",
  "validated_vs_reality": "PENDING",
  "render_label": "GREEN (analytical, unvalidated, per-module)",
  "risk_trace": [
    "R-SHOCK"
  ],
  "evidence": "/opt/oceanguard-hwverify/results/gate_ddam_shock.json",
  "tool": "gate_ddam_shock.py \u2014 NRL DDAM closed-form (NAVSEAINST 9072.2A), per-module branch",
  "standard": "NAVSEAINST 9072.2A (DDAM); MIL-DTL-901E (physical test reserved)",
  "note": "M07b (resolved as M07b): hull SF_shock=2.534 (OD=324.0mm t=10.50mm L=548.0mm m=18.48kg, SF_FEM_source=same static hull as M07a (SR-023F)). PCB solder margin=2.58x. hull=PASS pcb=PASS jetson=N/A_NOT_JETSON_MODULE battery=N/A_NOT_BATTERY_PACK_MODULE. Real per-module data used \u2014 NOT fleet-wide substitutes.",
  "ts": "2026-08-04T04:31:21.709536+00:00",
  "detail": {
    "resolved_variant": "M07b",
    "sf_fem_worst_source": "same static hull as M07a (SR-023F)",
    "per_module_notes": [],
    "hull": {
      "sf_fem_basis_worst": 2.534,
      "sigma_static_MPa": 84.85,
      "sigma_b_srss_MPa": 0.0005,
      "shock_penalty_pct_of_static": 0.001,
      "sigma_vm_MPa": 84.85,
      "sf_hull": 2.534,
      "note": "SF derived from CCX FEM baseline (FINAL_CASCADE_AUTHORITATIVE_2026-06-16.md) plus DDAM bending increment. Bending increment = 0.001% of static stress.",
      "mode_details": [
        {
          "mode_n": 1,
          "f_hz": 8461.6,
          "eff_mass_frac": 0.8106,
          "a_dsv_g": 0.0454,
          "F_eff_N": 6.7,
          "M_n_Nm": 0.4,
          "sigma_b_n_MPa": 0.0005
        },
        {
          "mode_n": 3,
          "f_hz": 76154.0,
          "eff_mass_frac": 0.0901,
          "a_dsv_g": 0.005,
          "F_eff_N": 0.1,
          "M_n_Nm": 0.0,
          "sigma_b_n_MPa": 0.0
        },
        {
          "mode_n": 5,
          "f_hz": 211538.8,
          "eff_mass_frac": 0.0324,
          "a_dsv_g": 0.0018,
          "F_eff_N": 0.0,
          "M_n_Nm": 0.0,
          "sigma_b_n_MPa": 0.0
        }
      ],
      "mass_frac_retained": 0.9331,
      "r_o_m": 0.162,
      "hull_I_m4": "1.2719e-04"
    },
    "jetson": null,
    "pcb_solder": {
      "f_n_Hz": 154.8,
      "a_dsv_g": 7.7519,
      "g_rating": 20.0,
      "margin": 2.58,
      "pass": true
    },
    "battery": null,
    "worst_margin": 2.534,
    "worst_item": "hull_SF",
    "checks": {
      "hull_SF_pass": true,
      "pcb_pass": true,
      "jetson_pass": "N/A_NOT_JETSON_MODULE",
      "battery_pass": "N/A_NOT_BATTERY_PACK_MODULE"
    },
    "physical_test_to_close": {
      "standard": "MIL-DTL-901E",
      "closure_action": "PASS \u2192 validated_vs_reality: CONFIRMED"
    }
  }
}