{"artifact_id":"L1-349","layer":"L1","title":"MHD Stability — linear eigenmode growth rates","domain":"Plasma Physics","sub_domain":"Tokamak/stellarator linear stability","physics_fingerprint":{"L_DAG":3.0,"title":"MHD Stability — linear eigenmode growth rates","domain":"Plasma Physics","carrier":"plasma","primitives":["L.linearize_mhd","L.eigenvalue","L.mode_classify","int.frequency"],"sub_domain":"Tokamak/stellarator linear stability","noise_model":"gaussian","problem_class":"linear_inverse","solution_space":"mode_growth_rates","difficulty_delta":5,"integration_axis":"frequency","sensing_mechanism":"magnetics_fluctuations"},"observable_profile":{"metric":"PSNR_dB","regime":"Conditional stability; mismatch parameters dominate at Omega bounds.","secondary":"SSIM"},"size_tiers":{"center_spec":{"omega":{"SNR_dB":25,"N_modes":20,"N_radial":64,"rotation_error":0.0,"equilibrium_error":0.0,"pressure_profile_error":0.0},"input_format":"measurement_only","problem_class":"mhd_stability","forward_operator":"mhd_stability_forward","epsilon_fn_center":"24.0"},"omega_bounds":{"SNR_dB":[0,40],"N_modes":[1,200],"N_radial":[16,1024],"rotation_error":[0.0,0.3],"equilibrium_error":[0.0,0.1],"pressure_profile_error":[0.0,0.2]},"epsilon_bounds":{"psnr_db":[10.0,45.0]},"allowed_problem_classes":["mhd_stability"],"allowed_omega_dimensions":["N_modes","N_radial","SNR_dB","equilibrium_error","rotation_error","pressure_profile_error","equilibrium_error","rotation_error","pressure_profile_error"],"allowed_forward_operators":["mhd_stability_forward"]},"hardness_fn":{"type":"epsilon_fn","delta":5,"kappa":400,"metric":"PSNR_dB"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0xdc12de2a17fb3c52f900c1b3dcb95e0478b4e223d0ef25418fbd5b55ed9f43a3","chain_tx_hash":"0x648e8509678c982db94b0b419d18ed974feb98f15215bf249230ddfa95acd87b","chain_block":41554096}