{"artifact_id":"L2-924","layer":"L2","parent_l1":"L1-924","title":"Routing & Synthesis Twin","omega":{"dims":{"basis":"CX|CZ|iSWAP","qubits":[5,127],"topology":"heavy-hex|grid|all-to-all"},"type":"range"},"epsilon":{"type":"fn","expression":"≤ 1.1× the best-known two-qubit count; semantic equivalence preserved"},"difficulty_score":0.9,"delta_tier":50,"fingerprint":"0d3fcb29b82afb19c89d5852e7066e0cb728ff7de5694ca54a4982f45ba2967b","status":"testnet","submitted_by":"grand_challenge_genesis","chain_hash":null,"chain_tx_hash":null,"chain_block":null,"plain_intro":"Routing & Synthesis Twin is a digital twin specification derived from principle L1-924. 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."}