{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000403},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000407","487:4870000402","487:4870001743","487:4870000474","487:4870000533","487:4870000240","487:4870000120","487:4870001369","487:4870000294","487:4870000347","487:4870002409","487:4870001753","487:4870000395","490:4900012989","487:4870003347","487:4870002088","487:4870000459","487:4870000241","487:4870002021","487:4870000396","487:4870000292","487:4870000189","487:4870001556","487:4870002244","487:4870001651"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,490,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.7150566543234796,0.6090500484021817,0.41936274420546615,0.375312626523179,0.3685571123721183,0.34941820426744047,0.29904039498137625,0.29554897509530553,0.29260782817140596,0.27556704855963404,0.2484463086603891,0.24284292045402853,0.24006864865920355,0.2353856918755953,0.2326637491217731,0.22913196774288166,0.22451428785077288,0.2214509498174706,0.20080173069987167,0.19342104348514266,0.1819297442671929,0.1770067690175924,0.1751136689230963,0.1744164320212786,0.17014323711229493],"twin_dists":[0.10636926699401272,0.12933501548288667,0.1712196002642495,0.18182390462067335,0.18350116952125844,0.18833912399203515,0.20180143529130604,0.20278067932836355,0.20361089361972678,0.20852232149418698,0.21674091029164694,0.21850898783058514,0.21939413567304203,0.22090347446193348,0.2217898074317668,0.22295006389683306,0.22448503120768806,0.22551493332320086,0.23272096799539074,0.23541956034010023,0.23976776895220195,0.24168991687484628,0.242439177704248,0.24271658817191455,0.24443431736789084],"n_dims_used":43,"mean_confidence":0.9120926080748092},"coverage":{"mean_confidence":0.9120926080748092,"n_dims_used":43,"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}}