{"artifact_id":"L1-204","layer":"L1","title":"Thermal Contact Resistance — interface conductance estimation","domain":"Heat Transfer","sub_domain":"Interface thermal conductance inversion","physics_fingerprint":{"L_DAG":2.8,"title":"Thermal Contact Resistance — interface conductance estimation","domain":"Heat Transfer","carrier":"thermal","primitives":["L.apply_flux","L.interface_jump","L.elliptic_solve","int.spatial"],"sub_domain":"Interface thermal conductance inversion","noise_model":"gaussian","problem_class":"linear_inverse","solution_space":"interface_h_map","difficulty_delta":3,"integration_axis":"spatial","sensing_mechanism":"thermocouples"},"observable_profile":{"metric":"PSNR_dB","regime":"Conditional stability; mismatch parameters dominate at Omega bounds.","secondary":"SSIM"},"size_tiers":{"center_spec":{"omega":{"SNR_dB":30,"N_probes":8,"k_bulk_error":0.0,"pressure_error":0.0,"surface_flatness_error":0.0},"input_format":"measurement_only","problem_class":"contact_R","forward_operator":"contact_R_forward","epsilon_fn_center":"24.0"},"omega_bounds":{"SNR_dB":[0,40],"N_probes":[2,64],"k_bulk_error":[0.0,0.1],"pressure_error":[0.0,0.3],"surface_flatness_error":[0.0,5.0]},"epsilon_bounds":{"psnr_db":[10.0,45.0]},"allowed_problem_classes":["contact_R"],"allowed_omega_dimensions":["N_probes","SNR_dB","surface_flatness_error","k_bulk_error","pressure_error","surface_flatness_error","k_bulk_error","pressure_error"],"allowed_forward_operators":["contact_R_forward"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":200,"metric":"PSNR_dB"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x378dcedb2275965deb03269efe4f35d2e149137362219f4f42b72d3f9dc2bdfb","chain_tx_hash":"0x5aa10eba986ed1b266a27b1003926be1c941ee8571a94807a01a9fde9e5eb6b6","chain_block":41554035}