{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001257},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001126","491:4910001254","491:4910001188","491:4910001183","491:4910001863","491:4910001501","491:4910001746","491:4910001260","491:4910001192","491:4910001627","491:4910001322","491:4910001053","491:4910001001","491:4910001196","491:4910001509","491:4910001065","490:4900003923","491:4910001187","491:4910001131","491:4910001191","491:4910001136","491:4910001740","491:4910001317","491:4910001321","491:4910001323"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,491],"twin_sims":[0.818629478151702,0.7255829909408021,0.5317788498627191,0.5057488679478929,0.4987250963980292,0.4781788120454106,0.4028422521923744,0.3483555103205402,0.3015780965029423,0.29404608376319236,0.2918600116053625,0.2846503842907025,0.2600465901807987,0.24646919459144423,0.23550185888318018,0.2102855864209399,0.1818906728549407,0.17844931362549213,0.16682597360168172,0.16176060258324962,0.15373404822559744,0.14077397916337475,0.1318688726567932,0.1285850450278443,0.12856085136494788],"twin_dists":[0.08216523683457229,0.10402611150681776,0.14596038560293867,0.15164925535466015,0.15319688044091,0.15776094406541852,0.17513421501955692,0.1886117183750513,0.20109388080228094,0.20320429537977636,0.20382277142829247,0.20588228507201095,0.21315995949041214,0.21736180528723545,0.22086579733471765,0.22935177992139838,0.2397828782835568,0.24112279725638316,0.24578924868130936,0.24789619374625033,0.25133522915367557,0.2571776984515146,0.2614284870063257,0.26305049156193067,0.26306255720957694],"n_dims_used":45,"mean_confidence":0.896679178873698},"coverage":{"mean_confidence":0.896679178873698,"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}}