{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001142},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001361","490:4900002824","490:4900002074","490:4900003948","490:4900002075","491:4910002207","491:4910001140","491:4910001075","490:4900001363","491:4910002516","490:4900004351","490:4900002396","490:4900003931","491:4910001402","490:4900003944","490:4900002227","490:4900006063","490:4900004506","491:4910001263","490:4900002079","490:4900003932","490:4900004073","490:4900004482","491:4910002067","490:4900002676"],"twin_admin_codes":[490,490,490,490,490,491,491,491,490,491,490,490,490,491,490,490,490,490,491,490,490,490,490,491,490],"twin_sims":[0.10387216687718949,0.02143660564219895,0.016956290029655086,0.015029325452022152,0.01436015874474397,0.010941770316389399,0.009423895389621057,0.008068089370652854,0.007879964185301132,0.007753379024165745,0.007663466108645922,0.007029013120395608,0.006494911561887811,0.00634145414173472,0.005810379144192703,0.005725412626007353,0.005610631616000009,0.0049546198721580935,0.004567601802059239,0.004380843756716905,0.004148088161306976,0.004100047785551429,0.004090861560879249,0.0038009669719655153,0.0037689041582024897],"twin_dists":[0.27639746078913396,0.36004315336191456,0.37086461672826365,0.3763112745735504,0.3783472598064229,0.3902795408457207,0.3966812809922008,0.4032320937504814,0.40421780905007637,0.4048930209649137,0.40537865433411757,0.4089586120477557,0.4122051832731098,0.4131824570029122,0.41673764180634365,0.41733345878820594,0.41815115611627995,0.42313717189281497,0.4263669631265425,0.4280153161877997,0.4301613882127216,0.43061792035643376,0.43070577129711446,0.4335746417259835,0.43390407282853494],"n_dims_used":45,"mean_confidence":0.9114537556966146},"coverage":{"mean_confidence":0.9114537556966146,"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}}