{"artifact_id":"L1-422","layer":"L1","title":"Sediment Transport Inversion","domain":"Environmental Science","sub_domain":"Geomorphology","physics_fingerprint":{"L_DAG":2.8,"title":"Sediment Transport Inversion","domain":"Environmental Science","carrier":"N/A","primitives":["N.pointwise","S.vanrijn.suspended_load","O.chi2.bedload_flux"],"sub_domain":"Geomorphology","noise_model":"lognormal","problem_class":"parameter_estimation","solution_space":"sediment_flux_parameter_vector","difficulty_delta":3,"integration_axis":"channel_cross_section","sensing_mechanism":"bedload_suspended_measurement"},"observable_profile":{"metric":"bedload_flux_RMSE_log","regime":"Existence of the recovered sediment_flux_parameter_vector is guaranteed within the declared Omega bounds. Uniqueness holds on the measurement-supported subspace; out-of-support modes are controlled by declared priors. Stability is conditionally stable (kappa_eff ~= 40); armoring_effect dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Lognormal sets the irreducible data-fidelity floor.","secondary":"sediment_rating_curve_RMSE"},"size_tiers":{"center_spec":{"omega":{"d50_mm":2.0,"N_measurements":100,"discharge_m3_s":500,"critical_shields_tau*c":0.047},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"bedload_suspended_measurement","epsilon_fn_center":"0.5 bedload_flux_RMSE_log"},"omega_bounds":{"d50_mm":[0.1,100.0],"N_measurements":[10,1000],"discharge_m3_s":[1,100000],"critical_shields_tau*c":[0.02,0.1]},"epsilon_bounds":{"bedload_flux_RMSE_log":[0.1,2.0]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_measurements","d50_mm","critical_shields_tau*c","discharge_m3_s"],"allowed_forward_operators":["bedload_suspended_measurement"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":1000,"metric":"bedload_flux_RMSE_log"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x64e4ec96dd87f1fe73dab04733c2fcc411af3f88d419c32d83a8bf71d50bcb4c","chain_tx_hash":"0x48e68af5737c0ee07a49eb882024e555e613f4998b11466e99a895d1f28d6e99","chain_block":41555239}