{"artifact_id":"L2-457-001","layer":"L2","parent_l1":"L1-457","title":"Hydrodynamic Lubrication (Reynolds Equation) — Nominal + Mismatch Specs","omega":{"dims":{"N_grid_x":[10,200],"speed_RPM":[100,100000],"viscosity_Pa_s":[0.001,1.0],"eccentricity_ratio_e":[0.0,0.9]},"type":"range"},"epsilon":{"type":"fn","expression":"0.3 + 0.2 * (eccentricity_ratio_e / 0.5) ** 0.5"},"difficulty_score":0.25,"delta_tier":5,"fingerprint":"de0d9a6310f3a13e6f3dae4fa6392c2fdf281b91fe2a6a7edf34b835f06b18fd","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0xbc0e14bc2393f207609169761aad6e28de196c6270468588996930744f9c8e43","chain_tx_hash":"0x4abe0feb5105524f69596846714715dd4e06a6afb520974b5efd23bd73c6f488","chain_block":41555282}