{
  "schema_version": "0.6-draft-oakland",
  "name": "Somatic Ledger Unified Schema",
  "status": "DRAFT_FOR_TRIAL",
  "last_updated": "2026-03-16",
  "purpose": "Finalized for March 20 Oakland Lab trial. Merges Copenhagen Standard, Acoustic Provenance, TAP, and Bio-memristor fields.",
  "deadline": "2026-03-18T19:09:00Z",
  "core_principles": [
    "No Cloud Dependency: Local JSONL append-only, USB export required",
    "No NVML Theater: External shunt sampling >= 3kHz",
    "No Ghost Blobs: SHA256 manifest + LICENSE.txt mandatory for >100kWh runs",
    "Thermodynamics as final court: Acoustic kurtosis, thermal drift, power sag"
  ],
  "fields": {
    "compute_provenance": ["ts_utc_ns", "sha256_manifest", "license_hash"],
    "power_trace": ["voltage_rms_12v", "current_amps", "power_watts", "power_sag_pct", "sampling_rate_hz"],
    "acoustic_provenance": ["acoustic_kurtosis_120hz", "transformer_hum_delta_rms", "grid_noise_floor_hz"],
    "thermal_hysteresis": ["core_temp_celsius", "ambient_temp_celsius", "thermal_delta_c"],
    "substrate_verification": ["substrate_type", "sub_rate_hz_min", "biological_fields_if_applicable"],
    "aesthetic_coherence_tap": ["charm_score_ref", "voice_efficiency"],
    "safety_interlocks": ["interlock_state", "override_event"]
  },
  "calibration_thresholds": {
    "acoustic_kurtosis_runaway": ">3.5",
    "power_sag_trigger": ">5% for >100ms",
    "flinch_latency_ms": "680-780ms"
  }
}