{"artifact_id":"L2-115-001","layer":"L2","parent_l1":"L1-115","title":"Active Thermography (pulsed / lock-in IR inspection) Mismatch-Only Spec","omega":{"dims":{"H":[128,2048],"W":[128,2048],"SNR_dB":[0.0,40.0],"N_frames":[30,2000],"f_lockin_Hz":[0.01,100],"convective_losses":[0.0,0.3],"surface_reflections":[0.0,0.3],"ambient_thermal_load":[0.0,0.2],"emissivity_variation":[0.0,0.3]},"type":"range"},"epsilon":{"type":"fn","expression":"15.0 + 0.3 * SNR_dB - 10.0 * emissivity_variation - 5.0 * surface_reflections"},"difficulty_score":0.5,"delta_tier":5,"fingerprint":"5fe229020ff761269fe35449a9cce4571dedf99c64d1216c3dcf8898bae0278a","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0xfd598aa19e9116561f45281e0a1dbb206bec45b46c09b74e3b9d13b59e825cfe","chain_tx_hash":"0x0b54ab5c89cd30ab98df9d345477ed1109da7b2bece0da8151876e94ef870978","chain_block":41554203}