{"artifact_id":"L2-932","layer":"L2","parent_l1":"L1-932","title":"Sequence-to-Structure Folding Twin","omega":{"dims":{"Mg_mM":[5,20],"shape":"2D-tile|3D-block|wireframe","temperature_C":[20,60]},"type":"range"},"epsilon":{"type":"fn","expression":"predicted yield within 10% of experiment; no off-target kinetic traps"},"difficulty_score":0.9,"delta_tier":50,"fingerprint":"53ebb2e7c8c98d46cf26b871e5b7f492ddd2681d67a107f66960f2dcadef323c","status":"testnet","submitted_by":"grand_challenge_genesis","chain_hash":null,"chain_tx_hash":null,"chain_block":null,"plain_intro":"Sequence-to-Structure Folding Twin is a digital twin specification derived from principle L1-932. It defines the forward operator and a 3-dimensional parameter space Ω over which benchmarks are seeded. Each benchmark drawn from this twin is a concrete measurement instance with fixed Ω values; solvers must invert that specific measurement."}