{"artifact_id":"L1-405","layer":"L1","title":"SIR Epidemic Parameter Estimation","domain":"Computational Biology","sub_domain":"Epidemiology","physics_fingerprint":{"L_DAG":2.5,"title":"SIR Epidemic Parameter Estimation","domain":"Computational Biology","carrier":"N/A","primitives":["D.time","O.likelihood.incidence_nb","S.mcmc.epidemic_posterior"],"sub_domain":"Epidemiology","noise_model":"negative_binomial","problem_class":"parameter_estimation","solution_space":"SIR_parameter_vector","difficulty_delta":3,"integration_axis":"time","sensing_mechanism":"incidence_case_surveillance"},"observable_profile":{"metric":"R0_estimation_RMSE","regime":"Existence of the recovered SIR_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 ~= 50); under_reporting_factor dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Negative binomial sets the irreducible data-fidelity floor.","secondary":"incidence_prediction_RMSE"},"size_tiers":{"center_spec":{"omega":{"R0_true":2.5,"detection_rate":0.5,"N_incidence_days":100,"overdispersion_k":10},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"incidence_case_surveillance","epsilon_fn_center":"0.2 R0_estimation_RMSE"},"omega_bounds":{"R0_true":[1.0,10.0],"detection_rate":[0.05,1.0],"N_incidence_days":[10,500],"overdispersion_k":[1,100]},"epsilon_bounds":{"R0_estimation_RMSE":[0.05,1.0]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_incidence_days","R0_true","detection_rate","overdispersion_k"],"allowed_forward_operators":["incidence_case_surveillance"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":1000,"metric":"R0_estimation_RMSE"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x4d92422c8c3788c9c3d985065862fc4d9515767c7738699528c989f329842e4c","chain_tx_hash":"0x395004fb80e2a73bc39abc039c5bd894b87130fdc19cbfbedda6f2aa2d99083b","chain_block":41555218}