{"artifact_id":"L1-311","layer":"L1","title":"Butler-Volmer Electrochemical Kinetics","domain":"Computational Chemistry","sub_domain":"Electrode charge-transfer kinetics","physics_fingerprint":{"L_DAG":2.8,"title":"Butler-Volmer Electrochemical Kinetics","domain":"Computational Chemistry","carrier":"ion","primitives":["E.butler_volmer","E.mass_transport","O.i_eta"],"sub_domain":"Electrode charge-transfer kinetics","noise_model":"gaussian","problem_class":"nonlinear_inverse","solution_space":"BV_parameter_triplet","difficulty_delta":3,"integration_axis":"potential","sensing_mechanism":"electrochemical_IV"},"observable_profile":{"metric":"log_i_0_error","regime":"Well-posed; inversion clean in Tafel regime.","secondary":"alpha_error"},"size_tiers":{"center_spec":{"omega":{"T_K":298,"N_data":200,"electrolyte":"aqueous","eta_range_V":[-0.5,0.5]},"input_format":"measurement_only","problem_class":"butler_volmer","forward_operator":"butler_volmer_forward","epsilon_fn_center":"log10(i_0) <= 0.05"},"omega_bounds":{"T_K":[253,373],"N_data":[20,5000],"electrolyte":["aqueous","organic","ionic_liquid","molten_salt"],"eta_range_V_max":[0.1,2.0]},"epsilon_bounds":{"log_i_0_error":[0.02,1.0]},"allowed_problem_classes":["butler_volmer"],"allowed_omega_dimensions":["T_K","eta_range_V","N_data","electrolyte"],"allowed_forward_operators":["butler_volmer_forward"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":80,"metric":"log_i_0_error"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x05a93cd61b3b7411eb038373f40e0b15e4402497833bd478622efd8a427674be","chain_tx_hash":"0x19fecdc76613707cbffc699700c47b8bb02a6e61ea21fba0587cca83a919172c","chain_block":41554127}