{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003039},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002902","480:4800003345","480:4800002991","480:4800003247","480:4800003513","480:4800003450","480:4800003248","480:4800003159","480:4800003293","480:4800002947","480:4800003637","480:4800003395","480:4800003510","480:4800003396","480:4800003509","480:4800002944","480:4800003294","480:4800003026","480:4800002716","480:4800003639","480:4800003353","480:4800003147","480:4800002816","480:4800003033","480:4800002994"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6915753641888897,0.5675975792633655,0.5295588077837654,0.529073833424253,0.5237836383136814,0.4920819544708696,0.4536509584669377,0.45059396837806936,0.44406950506077575,0.4231913134325653,0.39762617192162636,0.38944701648242486,0.3886836319337432,0.38145278645803116,0.34210384024369395,0.3328276268881491,0.32151118683262586,0.3134494922000892,0.27861536757507027,0.2727414908909666,0.270480460399278,0.268201801481379,0.26542925236772985,0.2485193530505636,0.24353540539932522],"twin_dists":[0.11153839148025468,0.13822240924584048,0.1464430369222978,0.14654853051679437,0.14770065174879085,0.1546662833855031,0.16329383162798922,0.1639907657383019,0.1654841724013078,0.17032195270623976,0.1763849488162063,0.17836145718094767,0.17854691362701877,0.18031221098851888,0.19022431670118947,0.19264642691958253,0.19565176108925453,0.19782890498880779,0.20763052272226595,0.20935435833882493,0.21002398586666327,0.21070234118221406,0.21153256580666582,0.2167180321783982,0.218289068501175],"n_dims_used":43,"mean_confidence":0.9084639438363009},"coverage":{"mean_confidence":0.9084639438363009,"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}}