{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001506},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001692","491:4910001204","491:4910001505","491:4910001802","491:4910001129","491:4910002259","491:4910001798","491:4910001456","491:4910001855","491:4910001193","491:4910001270","491:4910001117","491:4910001386","491:4910002257","490:4900002066","491:4910001073","491:4910001262","491:4910001679","491:4910001191","491:4910001061","490:4900002965","491:4910001203","491:4910001916","491:4910001323","491:4910001448"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,490,491,491,491,491],"twin_sims":[0.5718368398232458,0.4937904023906352,0.4547967742459188,0.42033038931373806,0.32740096820729897,0.31540477560981434,0.29789772048988994,0.2977458103302944,0.29714219242401874,0.2861028839461831,0.2624978076341894,0.25604773446928586,0.25578180444781834,0.2479008842698661,0.2439808699935874,0.23614813972828583,0.23597087887897591,0.22315461668903333,0.21607346147417336,0.21428393708121707,0.2124913992812296,0.21141539183371602,0.208289127076726,0.20612634499021842,0.19603827049436673],"twin_dists":[0.1373113730961254,0.15428784500932785,0.16303305425225026,0.17099240035987034,0.1940804340227342,0.19729798117693312,0.2021211799267671,0.20216374178095625,0.20233298829081725,0.20546487035823513,0.212416269130891,0.2143827260268385,0.21446446838674008,0.21691187823992428,0.21814781135267305,0.22065640689307808,0.2207138008303812,0.22494099227365044,0.2273461584245457,0.2279623457680371,0.22858306509092138,0.228957368721693,0.23005227265894634,0.2308163042764681,0.2344545944483061],"n_dims_used":45,"mean_confidence":0.8961411370171442},"coverage":{"mean_confidence":0.8961411370171442,"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}}