{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001273},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001554","490:4900004125","490:4900007258","490:4900006763","490:4900007739","490:4900006764","490:4900002599","490:4900001829","490:4900001549","490:4900001063","490:4900001072","490:4900001423","490:4900006030","490:4900003985","490:4900006152","490:4900002136","490:4900001019","490:4900006521","490:4900000334","490:4900000498","490:4900002295","490:4900007494","490:4900004693","490:4900007609","490:4900001084"],"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":[0.5453098000546864,0.3910959999500205,0.3868488168905432,0.36351046834970635,0.3578579203562674,0.35504293293740163,0.35090831653039434,0.339334901325342,0.3037283018199701,0.29831546963384736,0.2979059447268901,0.2897380209175051,0.28953354633200146,0.2813313852041228,0.27250438054525866,0.26524166940947447,0.263319897307562,0.25131239860403914,0.24998202616409035,0.24895768570623464,0.2443617030566568,0.24047747011157597,0.2326645455994215,0.22594388823949554,0.2240406002448184],"twin_dists":[0.143027277468122,0.17796143500857503,0.17899336671992316,0.18476417492545488,0.18618940231667808,0.186903471532062,0.1879576224555569,0.19094356745742744,0.20049707883029153,0.20200420154318838,0.2021188760418332,0.20442575506924837,0.20448399721374383,0.2068409314871982,0.20942442011821785,0.21158893096105513,0.21216782525019168,0.21584643555391667,0.2162608143412178,0.21658083315172277,0.21802718086923462,0.21926328350821184,0.2217895470860179,0.22400759646773452,0.22464367148567765],"n_dims_used":45,"mean_confidence":0.9203253004286024},"coverage":{"mean_confidence":0.9203253004286024,"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}}