{"artifact_id":"L2-124-001","layer":"L2","parent_l1":"L1-124","title":"Vibration-Based Damage Detection (modal analysis NDT) Mismatch-Only Spec","omega":{"dims":{"SNR_dB":[0.0,40.0],"N_modes":[3,50],"N_sensors":[4,500],"T_acquire_s":[5,3600],"sensor_noise":[0.0,0.2],"mode_truncation":[0.0,0.5],"environmental_variability":[0.0,0.2],"operational_load_variation":[0.0,0.3]},"type":"range"},"epsilon":{"type":"fn","expression":"12.0 + 0.3 * SNR_dB - 10.0 * environmental_variability - 8.0 * operational_load_variation - 6.0 * mode_truncation"},"difficulty_score":0.5,"delta_tier":5,"fingerprint":"bea4c0897d227367f231b40ffbf06e4ad23bac13145467f32bb13546cc868b2e","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0x8e8372f55d11605b92dc0ac5c3c618fee5f05eb8f989d4fa975327c0a969ccf2","chain_tx_hash":"0x2cfd3b73fb600cb4465b72ecabf5dfca708840828638eb486f3b253e6ff57ff2","chain_block":41554216}