{"artifact_id":"L1-406","layer":"L1","title":"SEIR Epidemic with Exposed Compartment","domain":"Computational Biology","sub_domain":"Epidemiology","physics_fingerprint":{"L_DAG":2.8,"title":"SEIR Epidemic with Exposed Compartment","domain":"Computational Biology","carrier":"N/A","primitives":["D.time","O.likelihood.seir_incidence","S.mcmc.seir_posterior"],"sub_domain":"Epidemiology","noise_model":"negative_binomial","problem_class":"parameter_estimation","solution_space":"SEIR_parameter_vector","difficulty_delta":3,"integration_axis":"time","sensing_mechanism":"seir_incubation_tracking"},"observable_profile":{"metric":"peak_incidence_RMSE_percent","regime":"Existence of the recovered SEIR_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 ~= 80); age_structure_neglect dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Negative binomial sets the irreducible data-fidelity floor.","secondary":"timing_error_days"},"size_tiers":{"center_spec":{"omega":{"N_days":150,"R0_true":2.5,"detection_rate":0.5,"incubation_period_days":5},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"seir_incubation_tracking","epsilon_fn_center":"20 peak_incidence_RMSE_percent"},"omega_bounds":{"N_days":[20,730],"R0_true":[1.0,10.0],"detection_rate":[0.05,1.0],"incubation_period_days":[1,20]},"epsilon_bounds":{"peak_incidence_RMSE_percent":[3,100]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_days","R0_true","incubation_period_days","detection_rate"],"allowed_forward_operators":["seir_incubation_tracking"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":2000,"metric":"peak_incidence_RMSE_percent"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x5bbf4fd3eca97926dd6b8f9356fa1d09acae91ea77773c6f99e5361932751a49","chain_tx_hash":"0xebf46c98d7fb57895cfb5c9c31a18acf60350d10a3f7d0adc77bc1be6d2ebddd","chain_block":41555218}