{"artifact_id":"L1-414","layer":"L1","title":"Gaussian Plume Atmospheric Dispersion","domain":"Environmental Science","sub_domain":"Air quality modeling","physics_fingerprint":{"L_DAG":2.5,"title":"Gaussian Plume Atmospheric Dispersion","domain":"Environmental Science","carrier":"N/A","primitives":["D.space","O.least_squares.source_inversion","S.stability.pasquill_gifford"],"sub_domain":"Air quality modeling","noise_model":"lognormal","problem_class":"parameter_estimation","solution_space":"source_strength_location","difficulty_delta":3,"integration_axis":"downwind_distance","sensing_mechanism":"atmospheric_dispersion_gaussian"},"observable_profile":{"metric":"source_strength_RMSE_percent","regime":"Existence of the recovered source_strength_location 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 ~= 25); wind_direction_uncertainty_deg dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Lognormal sets the irreducible data-fidelity floor.","secondary":"concentration_RMSE_ug_m3"},"size_tiers":{"center_spec":{"omega":{"N_sensors":20,"distance_km":1.0,"wind_speed_m_s":3.0,"stability_class_int":4},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"atmospheric_dispersion_gaussian","epsilon_fn_center":"25 source_strength_RMSE_percent"},"omega_bounds":{"N_sensors":[3,100],"distance_km":[0.1,50.0],"wind_speed_m_s":[0.5,10.0],"stability_class_int":[1,6]},"epsilon_bounds":{"source_strength_RMSE_percent":[5,100]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_sensors","distance_km","wind_speed_m_s","stability_class_int"],"allowed_forward_operators":["atmospheric_dispersion_gaussian"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":500,"metric":"source_strength_RMSE_percent"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x88d1348556cbb501895c7b92d25f30ecb11f263bfadc08a1bac159057048fe95","chain_tx_hash":"0xf8ac93b16b2b9cc39d15fb24c59781512f4fc292f187e9326f3c1782b0bf6f3f","chain_block":41555220}