{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001533},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001264","490:4900001283","490:4900006617","490:4900001829","490:4900000279","490:4900003844","490:4900001282","490:4900002590","490:4900003571","490:4900003306","490:4900007618","490:4900007119","490:4900006751","490:4900006761","490:4900001549","490:4900000938","490:4900000227","490:4900002890","490:4900007623","490:4900001010","490:4900004400","490:4900000199","490:4900004262","490:4900000884","490:4900000657"],"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":[0.5257735754432177,0.4883216112861201,0.42861189170890895,0.42776160462504564,0.409749935109174,0.39551326546214705,0.3902180623479544,0.38814713572222276,0.37269997247487274,0.3710785152104704,0.3636107569780307,0.3459871302136477,0.33375323194390283,0.3208745902933969,0.31922966099798517,0.3154492215370188,0.31221931307211515,0.31208177611266297,0.3083629645137502,0.3057995061857702,0.29478875883605526,0.2936864584382521,0.2924871664767216,0.28983703168482905,0.28806404327656815],"twin_dists":[0.1472669740508844,0.15550061167776064,0.16905682251928594,0.16925483530200677,0.17348900408282122,0.17689371943405993,0.17817431277593096,0.1786773525010578,0.18247079336293281,0.18287338807861656,0.1847389903640229,0.1892208169498212,0.19240311452563869,0.19582255520650202,0.1962647589066222,0.19728593438477213,0.19816390497918376,0.1982014055068476,0.19921897439383043,0.19992451845294487,0.20299480006764614,0.20330585168134968,0.20364505876619854,0.20439756184321006,0.2049032919278822],"n_dims_used":45,"mean_confidence":0.9200702243381076},"coverage":{"mean_confidence":0.9200702243381076,"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}}