{"artifact_id":"L2-934","layer":"L2","parent_l1":"L1-934","title":"Molecular-Junction Transport Twin","omega":{"dims":{"anchor":"thiol|amine|pyridine","bias_V":[-1.0,1.0],"length_nm":[0.5,3.0]},"type":"range"},"epsilon":{"type":"fn","expression":"≤ 0.3 dex conductance error; correct rectification/NDR sign"},"difficulty_score":0.9,"delta_tier":50,"fingerprint":"1de2fe9ffcff8703bc0f2ea5963e1db7e55b58f7ed5c43c291c0be10488f7083","status":"testnet","submitted_by":"grand_challenge_genesis","chain_hash":null,"chain_tx_hash":null,"chain_block":null,"plain_intro":"Molecular-Junction Transport Twin is a digital twin specification derived from principle L1-934. 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."}