{"artifact_id":"L3-522-001-001-T1","layer":"L3","parent_l2":"L2-522-001","parent_l1":"L1-522","title":"T1_nominal","benchmark_type":"fixed","tier":"T1","manifest":{"rho":1,"tier":"T1_nominal","epsilon":"[NEEDS_HAND_AUTHORING: nominal-tier threshold value]","spec_id":"L2-522-001","d_ibench":0.15,"baselines":[{"Q":null,"name":"[NEEDS_HAND_AUTHORING]","score":null,"metric":"categorical_accuracy"}],"omega_tier":{"SNR_dB":25,"N_stations":30,"sampling_rate_Hz":100,"frequency_band_Hz":[0.01,25],"station_coverage_gap":0.0,"near_field_truncation":0.0,"station_distance_km_range":[0,1000],"magnitude_scale_saturation":0.0,"velocity_model_uncertainty":0.0,"hypocenter_localization_error":0.0,"instrument_response_uncertainty":0.0},"principle_id":"L1-522","dataset_description":"[NEEDS_HAND_AUTHORING: nominal-tier dataset description]"},"ipfs_cid":null,"benchmark_hash":"432bb9772e056f448075820f340c58d4d7b732c23b1c8db5685232c8b14bbf6f","quality_tier":"standard","builder":"mainnet_mirror","royalty_bps":1500,"chain_hash":"0xa0ec049dfbd7b6256e4bc0325f9edc6096928b7ab41065e415f642780bba15bb","chain_tx_hash":"0x8b287604d8230a08ffaaae292b84260469c3cef9d2f65502f2cdfecb73372977","chain_block":41554072}