{"artifact_id":"L2-905","layer":"L2","parent_l1":"L1-905","title":"Aggregation-Clearance Control Twin","omega":{"dims":{"protein":"Aβ|tau|αSyn","clearance_rate":[0.0,1.0],"chaperone_boost":[0.0,1.0]},"type":"range"},"epsilon":{"type":"fn","expression":"≤ 10% error on aggregate-load trajectory; clearance stays physiological"},"difficulty_score":0.9,"delta_tier":50,"fingerprint":"04a4b0e5bd79e13f4afc4b33f07568cdabc23c6f2bc47a5d23219de39f8ac833","status":"testnet","submitted_by":"grand_challenge_genesis","chain_hash":null,"chain_tx_hash":null,"chain_block":null,"plain_intro":"Aggregation-Clearance Control Twin is a digital twin specification derived from principle L1-905. 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."}