{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001126},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001257","491:4910001254","491:4910001501","491:4910001863","491:4910001260","491:4910001188","491:4910001746","491:4910001196","491:4910001053","491:4910001322","491:4910001183","491:4910001509","491:4910001627","491:4910001192","491:4910001191","491:4910001001","491:4910001065","491:4910001740","490:4900003923","491:4910001326","491:4910001136","491:4910001681","491:4910001186","491:4910001317","491:4910001187"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491],"twin_sims":[0.818629478151702,0.7332769434647612,0.5822341944585048,0.5242967060512096,0.47639828611645,0.44027637338083625,0.4395675661069592,0.42637338760696225,0.3933926454495083,0.36165080468208705,0.3603053710389514,0.35835005781792734,0.34336488805596327,0.2705254167364521,0.25954118094225004,0.24705566201235635,0.2447269961620296,0.23634268018509869,0.2009116122269315,0.1819288602967092,0.16556002448951265,0.16231218670986225,0.15605361328843043,0.1544778239845173,0.14694525280090254],"twin_dists":[0.08216523683457229,0.1023015040644821,0.13507977096896218,0.14758880073783184,0.1581592970055025,0.1663562533889279,0.1665195390628406,0.1695784683217034,0.17740560872787037,0.18523181467848998,0.1855709060365879,0.1860648604580603,0.18989778228557588,0.2100106380101284,0.21331384570426307,0.21717729784653497,0.21791158664907806,0.22059345052201348,0.23268131393941607,0.23976811076765323,0.24631143962899987,0.2476644647000011,0.2503281912725285,0.25101111504462514,0.25434817955377226],"n_dims_used":45,"mean_confidence":0.8964641994900173},"coverage":{"mean_confidence":0.8964641994900173,"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}}