{"artifact_id":"L2-052-001","layer":"L2","parent_l1":"L1-052","title":"Brachytherapy Dose Imaging Mismatch-Only Spec","omega":{"dims":{"H":128,"W":128,"Z":[32,512],"SNR_dB":[15.0,40.0],"N_sources":[1,100],"applicator_motion":[0.0,3.0],"tissue_heterogeneity":[0.0,0.3],"source_position_error":[0.0,3.0],"inter_source_shielding":[0.0,0.3]},"type":"range"},"epsilon":{"type":"fn","expression":"18.0 + 0.3 * SNR_dB - 3.0 * source_position_error - 10.0 * tissue_heterogeneity - 3.0 * applicator_motion"},"difficulty_score":0.5,"delta_tier":5,"fingerprint":"be113d2af686c7d970f36e26da001f816a6e25ef8e540ef3284a9845685adc94","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0x57fe80741cff1ded6c44f3f035b7f1a53da60d41bd7fe3c8c0e31818d2850518","chain_tx_hash":"0xb44e7a59bef8c91afbdad19b1059a6f795ae8e4b4d6a7f913ad9d97ced6ebe51","chain_block":41553389}