{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012390},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012464","490:4900012319","490:4900012320","490:4900012871","490:4900012812","490:4900012742","490:4900012804","490:4900012457","490:4900012674","490:4900012254","490:4900013187","490:4900012392","490:4900012531","490:4900012603","490:4900012678","490:4900012802","490:4900012322","490:4900012982","490:4900012878","490:4900012675","490:4900012387","490:4900012879","490:4900000380","490:4900012868","490:4900012604"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3540286494688192,0.31458771909382033,0.274364630004625,0.25878066456614923,0.21414888689015635,0.21021509749267692,0.2076445539806932,0.19651702122773537,0.18665633049496413,0.18363892833954612,0.1829521684805162,0.17178341850157663,0.16698669426009974,0.1642299618469245,0.15803505711305826,0.1578742524495319,0.15104867556527518,0.14400758460791477,0.13945026191292242,0.12907586196254445,0.1119576061000279,0.1047344754962863,0.09832541044443882,0.09809646588381808,0.09056739747404807],"twin_dists":[0.18716147778455525,0.19751961097651552,0.20887575267882139,0.21354576238720702,0.22800898835436295,0.2293764350025078,0.23027940828122934,0.23427904867018576,0.23795658412350107,0.23910903976308245,0.2393731987315202,0.24377138826481873,0.2457231577119258,0.24686319166022158,0.24947657776261128,0.24954539928318809,0.2525150922004041,0.25568386785090236,0.25779659048756404,0.26280608553775237,0.27178451358659916,0.2758924767861498,0.27972641839272866,0.2798669505765631,0.2846391902137131],"n_dims_used":45,"mean_confidence":0.9120593600802951},"coverage":{"mean_confidence":0.9120593600802951,"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}}