{"artifact_id":"L2-499-001","layer":"L2","parent_l1":"L1-499","title":"Shape Optimization — Nominal + Mismatch Specs","omega":{"dims":{"step_size_dt":[0.01,1.0],"N_control_pts":[10,200],"regularization_alpha":[0.001,0.1]},"type":"range"},"epsilon":{"type":"fn","expression":"0.25 + 0.05 * log10(N_control_pts / 50)"},"difficulty_score":0.3,"delta_tier":5,"fingerprint":"4dc800ca580fad3405f87549eb0c06cc6ad240bee3ee00e487eadc42b791e3ad","status":"testnet","submitted_by":"mainnet_mirror","chain_hash":"0xcef0bcf668a2b1da03122bfd26efed58b35fea1a3e2bd79f41ccf95c33cdb52f","chain_tx_hash":"0x061ea417169b0df71020de63a6bf54a059c05a385d1a2292f3eac2d91329b502","chain_block":41555320}