{"artifact_id":"L2-514-001","layer":"L2","parent_l1":"L1-514","title":"Chest CT Pneumonia/COVID Severity Classification (PWDR) — Spec Skeleton","omega":{"dims":{"H":[256,1024],"W":[256,1024],"Z":[50,1000],"kVp":[80,140],"mAs":"[NEEDS_HAND_AUTHORING: bounds]","SNR_dB":"[NEEDS_HAND_AUTHORING: bounds]","voxel_size_mm":"[NEEDS_HAND_AUTHORING: bounds]","slice_thickness_mm":[0.5,5.0],"kV_calibration_drift":"[NEEDS_HAND_AUTHORING: bounds]","lobe_segmentation_error":"[NEEDS_HAND_AUTHORING: bounds]","motion_blur_breath_hold":"[NEEDS_HAND_AUTHORING: bounds]","contrast_enhancement_state":"[NEEDS_HAND_AUTHORING: bounds]","slice_thickness_anisotropy":"[NEEDS_HAND_AUTHORING: bounds]","threshold_calibration_uncertainty":"[NEEDS_HAND_AUTHORING: bounds]"},"type":"range"},"epsilon":{"type":"fn","expression":"0.85_accuracy"},"difficulty_score":0.5,"delta_tier":5,"fingerprint":"190e561b4556641f3a5e588b4467589b2b069226917826d0e3c121b38c0a9697","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0xc5d99c0260676542311ce227da10899ad5cefaf29479dc28104875f8e74c586a","chain_tx_hash":"0xb2599f65b9d335c87600595b05864cb505c40088459949ff997124e63a5f11b0","chain_block":41552981}