{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004070},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003938","490:4900004360","490:4900003936","490:4900004213","490:4900004071","490:4900004214","490:4900003380","490:4900004072","490:4900003939","490:4900003945","490:4900004079","490:4900003667","490:4900003385","490:4900003941","490:4900003940","490:4900004080","490:4900004075","490:4900003269","490:4900003946","490:4900003805","490:4900003943","490:4900002973","490:4900004363","490:4900004081","490:4900001234"],"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":[0.650125448343795,0.5257873069439701,0.5219739540559474,0.4217514394732041,0.40740500843954014,0.3939585786039376,0.3823775872057602,0.28145779452956377,0.2526214506907852,0.22489595068226903,0.21572844848336756,0.16851828809715008,0.16623545965398054,0.16349645519968506,0.15202990484951873,0.14921059173326054,0.14803979534394932,0.1383365569773973,0.12074727864174713,0.11806879527781733,0.11624629077041454,0.10917911332891216,0.10405755744784224,0.09572979283516143,0.09224397469321985],"twin_dists":[0.1205232355335314,0.14726398274849242,0.14809537032907827,0.17065914294520862,0.17404610649964555,0.17726887538144098,0.18008554985312805,0.20680429506554665,0.21544006129004736,0.22435737239109402,0.22746468830635597,0.24509562819302474,0.24603247258054464,0.24716885678460737,0.25208220021857547,0.2533316051639622,0.2538555681557541,0.25832069767280497,0.26705274027804243,0.26846585278329266,0.26944146526766344,0.27333970364604165,0.2762886178309582,0.2813349833840265,0.2835501419251675],"n_dims_used":44,"mean_confidence":0.9143016121604226},"coverage":{"mean_confidence":0.9143016121604226,"n_dims_used":44,"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}}