{"artifact_id":"L2-923","layer":"L2","parent_l1":"L1-923","title":"Pulse-Shaping Control Twin","omega":{"dims":{"T2_us":[10,500],"qubits":[1,5],"crosstalk":[0.0,0.1]},"type":"range"},"epsilon":{"type":"fn","expression":"average gate infidelity ≤ 1e-3; pulse within hardware bandwidth, leakage bounded"},"difficulty_score":0.9,"delta_tier":50,"fingerprint":"910c222dd39cd46da0495b352156ce3286c9899f3ad50ad98f1a44c598d68356","status":"testnet","submitted_by":"grand_challenge_genesis","chain_hash":null,"chain_tx_hash":null,"chain_block":null,"plain_intro":"Pulse-Shaping Control Twin is a digital twin specification derived from principle L1-923. 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."}