{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001203},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001270","491:4910001338","491:4910001204","491:4910001205","491:4910001006","491:4910001339","491:4910001070","491:4910001568","491:4910001267","491:4910001008","491:4910001914","490:4900002066","491:4910001506","491:4910001271","491:4910001136","491:4910001393","491:4910001262","491:4910001504","491:4910001125","491:4910001807","491:4910001505","491:4910001965","491:4910001385","491:4910001322","491:4910001200"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.692229704959692,0.5086987944406749,0.4436138810461406,0.35362221710571384,0.33385817740292917,0.3317045667763706,0.3133819332315019,0.313023373992417,0.2584212462410414,0.23695554820423784,0.2246481595403915,0.2175965621958485,0.21141539183371602,0.197946397077961,0.19301694322093382,0.18979082797305452,0.1891825448129026,0.18260941953463758,0.16642290033047924,0.16360948069125839,0.16224072176123627,0.16168695220879606,0.15423359870279432,0.1447587715474081,0.14295813520310774],"twin_dists":[0.11139528440596812,0.1510009950654767,0.16558877260841168,0.18726497065971298,0.1923755508833862,0.1929421402657734,0.197847283063815,0.19794485974699494,0.21365551511072658,0.22039533775724132,0.22444023730001175,0.22682441173692874,0.228957368721693,0.23375668823394083,0.2355693584991237,0.23677317431179717,0.2370017516025166,0.23950529728070324,0.24595520115785444,0.2471216924867624,0.2476944559994195,0.2479271787664058,0.2511174144406206,0.2553404138636811,0.2561659250502026],"n_dims_used":45,"mean_confidence":0.8981546190049913},"coverage":{"mean_confidence":0.8981546190049913,"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}}