{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006912},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006667","490:4900007165","490:4900006319","490:4900006791","490:4900007036","491:4910002463","491:4910001205","491:4910001563","491:4910002665","490:4900006195","490:4900006441","491:4910002413","491:4910001568","490:4900006792","490:4900007408","490:4900002067","491:4910001382","490:4900006920","490:4900004604","490:4900006432","490:4900002066","490:4900006666","490:4900007423","491:4910001200","490:4900005811"],"twin_admin_codes":[490,490,490,490,490,491,491,491,491,490,490,491,491,490,490,490,491,490,490,490,490,490,490,491,490],"twin_sims":[0.29830275405142936,0.17472628255797806,0.1551834475034556,0.11545146139710408,0.08934352791180938,0.08738790447928445,0.08153866884939523,0.063607680049413,0.059975302911806264,0.05818833234145009,0.05680408740700067,0.05425016681458179,0.0501363008153553,0.04934210370804869,0.04845146199506952,0.048004580377641576,0.047387442390594656,0.04337798905088863,0.0415175997388172,0.03836260200328629,0.03741846779333918,0.036297046520651965,0.0359758131186153,0.03583460486335066,0.0352067145297614],"twin_dists":[0.2020077607498194,0.24259321009221918,0.2507046811396399,0.26987062732322115,0.28544429705641455,0.2867491272054159,0.29079578724086297,0.30486060384815816,0.3080967994111092,0.30974836072880535,0.3110566902790795,0.31354128683369253,0.31775538950700594,0.3186018669699621,0.3195647606847112,0.32005347268920653,0.3207346646299275,0.32535065843976607,0.32761533073280286,0.3316594791332432,0.3329243709252047,0.3344624315912666,0.3349104417825292,0.33510845483762164,0.3359970439216028],"n_dims_used":45,"mean_confidence":0.8953064812554253},"coverage":{"mean_confidence":0.8953064812554253,"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}}