{"artifact_id":"L2-175-001","layer":"L2","parent_l1":"L1-175","title":"Potential Flow — irrotational inviscid Mismatch-Only Spec","omega":{"dims":{"H":[32,2048],"W":[32,2048],"SNR_dB":[0,40],"bc_error":[0.0,0.3],"circulation_error":[0.0,0.2],"compressibility_correction_error":[0.0,0.3]},"type":"range"},"epsilon":{"type":"fn","expression":"19.0 + 0.3*SNR_dB - 20.0*circulation_error - 10.0*bc_error - 5.0*compressibility_correction_error"},"difficulty_score":0.48,"delta_tier":5,"fingerprint":"6092aef32970054100c32b11c46723be8cf609fd03eb07671fe90ec98cdafa18","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0x1f09c76a47bafadadd3728411aeaa76ba34582c0f6869f0a183f44b143e30cb3","chain_tx_hash":"0x9386865ef8a65b6ca7d505ced53946c2a1196814e92408a30b4fc974cd2d7139","chain_block":41553969}