{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005011},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005148","490:4900004738","490:4900002351","490:4900004033","496:4960011990","470:4700001966","478:4780008646","496:4960010553","490:4900001600","490:4900002355","490:4900006181","466:4660002456","470:4700001810","466:4660002077","488:4880003857","496:4960011987","478:4780006844","478:4780008645","490:4900002031","478:4780008554","490:4900002350","490:4900002498","470:4700001513","496:4960012061","478:4780007378"],"twin_admin_codes":[490,490,490,490,496,470,478,496,490,490,490,466,470,466,488,496,478,478,490,478,490,490,470,496,478],"twin_sims":[0.4145905181897177,0.3715605215879411,0.34922270594024296,0.3258057174706918,0.3114642626706911,0.2918022293719543,0.2883454178791376,0.27837637848284297,0.27708339027705625,0.2697727794822359,0.25986803402021286,0.2519692882548257,0.24291992385724245,0.23465970137435158,0.22733516457340155,0.2231442423530212,0.2209598361241669,0.2136107869313104,0.20908898188889907,0.20529243277161616,0.20395257200365685,0.19716534660714866,0.19450652245291777,0.19277992094470944,0.19272804794963982],"twin_dists":[0.17234339072465843,0.18275361906100213,0.18838923906985716,0.1945044682922327,0.1983698917469157,0.20383915619481724,0.2048229082679821,0.2077002243543101,0.20807796065543224,0.21023428223380003,0.21321430448168946,0.21564234649986017,0.21848451307655636,0.22113921537093545,0.22354488226653701,0.2249444783769322,0.22568092988380367,0.22819503075056188,0.22977108342841396,0.23111235736477537,0.23158975914370922,0.234041795706163,0.2350182527570585,0.23565732318101137,0.23567658454181867],"n_dims_used":45,"mean_confidence":0.916400655110677},"coverage":{"mean_confidence":0.916400655110677,"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}}