{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006542},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006789","490:4900006320","490:4900006930","490:4900002068","490:4900002371","490:4900006911","490:4900007288","490:4900007282","490:4900002520","490:4900005699","490:4900005432","490:4900006805","490:4900002221","490:4900002820","490:4900006671","490:4900006185","490:4900006931","490:4900002222","490:4900007180","490:4900002521","490:4900006921","490:4900007283","490:4900006430","490:4900002670","491:4910001805"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.4724474251698691,0.4685754313019949,0.3437240016326431,0.32872661030309214,0.28386271262976903,0.28340147736299104,0.2687663360586775,0.2592041480174012,0.23935665371078735,0.21252735096971564,0.20770450150400643,0.19164203937125548,0.1786196937075329,0.16772776513344098,0.16001978178417475,0.15876469592869857,0.1535472147614777,0.15111140586540064,0.14537526813226803,0.13127082673578166,0.12711556598569862,0.11709010687682013,0.10484799653632097,0.10469832734325939,0.08754136053416811],"twin_dists":[0.1590449576269322,0.1599153358192223,0.18980491068203356,0.19372893188125404,0.2061091798439169,0.20624221837651774,0.210533948158232,0.21341656978801846,0.21962237113026284,0.2285705810064435,0.23025826362915391,0.23608067065401583,0.24105602958230177,0.24541900867749003,0.24863132197674204,0.24916494500215014,0.25141682583012875,0.2524873555199475,0.25505952811104693,0.2617215967735217,0.26378647468435235,0.2689883112557076,0.27582623814526475,0.27591358068183086,0.28664590445496657],"n_dims_used":45,"mean_confidence":0.8949451022677951},"coverage":{"mean_confidence":0.8949451022677951,"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}}