{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001796},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003976","490:4900001521","490:4900003547","490:4900001263","490:4900003970","490:4900004244","490:4900001950","490:4900001523","490:4900008844","490:4900009792","490:4900004242","490:4900001947","490:4900001653","490:4900004241","490:4900002099","490:4900002558","490:4900004106","490:4900001789","490:4900001797","490:4900003830","490:4900002861","490:4900001957","490:4900003973","490:4900001384","490:4900003558"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.32463582844445793,0.3216945112482939,0.27445823575716594,0.2349116350237455,0.22543469476867178,0.21919499405885556,0.2159858864587966,0.21489351263438114,0.20376720814905958,0.19945659549436404,0.17511198656033325,0.1666189791328388,0.1655745049405273,0.1526435165429623,0.14870185569724106,0.14187728523105314,0.13998137722977938,0.12538609351477584,0.12531344950731396,0.12483420980182086,0.12076429399843043,0.11357668390638201,0.11123771329962519,0.10795512754952781,0.10498153230166976],"twin_dists":[0.19481616852077896,0.19560261161039255,0.20884820476942628,0.2210573543880475,0.22417741786660686,0.22627949303770836,0.22737623290723305,0.22775206194550351,0.2316559746273745,0.23320761665095305,0.24243984611892475,0.2458744358532382,0.24630545032985782,0.251812533401559,0.25355890430687006,0.256665162142972,0.25754774833762095,0.2646609792517651,0.26469791132910286,0.26494196418228205,0.26704384025772016,0.2708919703145486,0.2721845667622969,0.27403452953421226,0.275748392476526],"n_dims_used":45,"mean_confidence":0.9197538587782118},"coverage":{"mean_confidence":0.9197538587782118,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}