{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002343},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001202","490:4900002495","490:4900002025","490:4900001453","490:4900001722","490:4900002193","490:4900002028","490:4900002190","490:4900001331","490:4900001201","490:4900002333","490:4900000946","490:4900003895","490:4900002491","490:4900001584","490:4900001571","490:4900004185","490:4900003755","490:4900001470","490:4900001166","490:4900003896","490:4900001729","490:4900001051","490:4900001710","490:4900003216"],"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":[0.9083806995600788,0.8930010605577463,0.7651047581524296,0.7458380677849304,0.7190966304894384,0.7086988476922363,0.6828838792090224,0.660527451014402,0.6418288258126442,0.6276362108688269,0.6117741665709409,0.6017585622340765,0.6006232808224036,0.5994803104733469,0.5993983274991072,0.5971437164202904,0.5910750419637826,0.5813612674104055,0.5803910994477258,0.573571342037375,0.558930379795598,0.5544358964496767,0.553336669852212,0.5286259325894139,0.5090287891624675],"twin_dists":[0.056935326777233605,0.06178737217675565,0.09503804934988987,0.09946160481838617,0.10547208339227179,0.10777620053456662,0.1134348559596877,0.11828088108997942,0.12230752023019455,0.12535338071489346,0.12875168376812318,0.13089634245058523,0.13113945551850414,0.13138422403792588,0.1314017811830667,0.13188464359982555,0.13318466187213968,0.1352669953991456,0.13547510176202698,0.1369388307596415,0.14008760422324645,0.14105637930967613,0.14129349312177839,0.14664597816024777,0.1509285385322683],"n_dims_used":45,"mean_confidence":0.9171720716688369},"coverage":{"mean_confidence":0.9171720716688369,"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}}