{"artifact_id":"L2-505-001","layer":"L2","parent_l1":"L1-505","title":"Pharmacokinetic Dynamic PET (PK-PET) — Spec Skeleton","omega":{"dims":{"H":[128,512],"W":[128,512],"Z":[32,256],"N_frames":[12,60],"tracer_class":"[NEEDS_HAND_AUTHORING: bounds]","voxel_size_mm":[1.0,4.0],"compartment_count":[1,4],"scan_duration_min":[20,180],"motion_during_scan":[0.0,0.3],"partial_volume_effect":[0.0,0.4],"count_statistics_dropoff":[0.0,0.5],"scatter_correction_error":[0.0,0.2],"input_function_uncertainty":[0.0,0.3],"noise_equivalent_count_rate":[10000,1000000],"attenuation_correction_error":[0.0,0.2]},"type":"range"},"epsilon":{"type":"fn","expression":"24.0"},"difficulty_score":0.5,"delta_tier":5,"fingerprint":"e00b34759816b6d44143a8521222b3cd1f68036d36c464096d15d95e3dca4093","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0x9c7010680d1eaf0f28586d53a5f676dcc9e977a854d29bc71c75f83a2dca92dc","chain_tx_hash":"0xa5fcdc38494185396f29014a8f0e26b37cd9f6431eac84fd4ddc6afef4400682","chain_block":41553390}