{"artifact_id":"L1-485","layer":"L1","title":"Neutrino Oscillation Parameter Extraction","domain":"Particle Physics","sub_domain":"Neutrino physics","physics_fingerprint":{"L_DAG":3.5,"title":"Neutrino Oscillation Parameter Extraction","domain":"Particle Physics","carrier":"particle","primitives":["L.linear_op","S.matter.msw_effect","O.chi2.event_rates"],"sub_domain":"Neutrino physics","noise_model":"poisson","problem_class":"parameter_estimation","solution_space":"PMNS_parameter_vector","difficulty_delta":5,"integration_axis":"neutrino_baseline","sensing_mechanism":"neutrino_disappearance_appearance"},"observable_profile":{"metric":"delta_CP_constraint_sigma_deg","regime":"Existence of the recovered PMNS_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 ~= 500); flux_normalization_uncertainty_percent dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Poisson sets the irreducible data-fidelity floor.","secondary":"theta_23_octant_significance"},"size_tiers":{"center_spec":{"omega":{"POT_1e21":3.0,"baseline_km":810,"N_event_bins":100,"flux_uncertainty_percent":5.0},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"neutrino_disappearance_appearance","epsilon_fn_center":"20 delta_CP_constraint_sigma_deg"},"omega_bounds":{"POT_1e21":[0.1,30.0],"baseline_km":[200,2000],"N_event_bins":[10,1000],"flux_uncertainty_percent":[1.0,20.0]},"epsilon_bounds":{"delta_CP_constraint_sigma_deg":[5,90]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_event_bins","POT_1e21","baseline_km","flux_uncertainty_percent"],"allowed_forward_operators":["neutrino_disappearance_appearance"]},"hardness_fn":{"type":"epsilon_fn","delta":5,"kappa":10000.0,"metric":"delta_CP_constraint_sigma_deg"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x4e31736ad56c166b919769dd6080c356d7e344a2c958cc4b424151ce7e94efe4","chain_tx_hash":"0x0066cb73cc2300fe093919607d36f1bd2857a008f5cb0c237134fe1daac3014c","chain_block":41555317}