{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003993},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003438","490:4900003437","490:4900004399","490:4900004537","490:4900001022","490:4900002121","490:4900003860","490:4900004419","490:4900001835","490:4900006393","490:4900001164","490:4900001011","490:4900005229","490:4900003038","490:4900002892","490:4900001683","490:4900003856","490:4900004549","490:4900001678","490:4900006272","490:4900001553","490:4900002007","490:4900002431","490:4900004568","490:4900001409"],"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":[0.3876819265647016,0.3647280438164311,0.33565301562203864,0.3225656799322731,0.3197620947903813,0.3088516934062083,0.2976643455341176,0.28808589796888456,0.282556098422043,0.26333030747516795,0.24697663850998894,0.24351859764961914,0.23408006654195668,0.2317524938714666,0.2204433001371463,0.2187164430510036,0.21231993806899938,0.2077392762444295,0.19798710269681036,0.19199196798696921,0.18885214677279913,0.18489335504239426,0.1848489726052785,0.1750465996500577,0.17172604431808094],"twin_dists":[0.1787905281311864,0.1844586534168467,0.19190486850996014,0.19536926398335216,0.19612148590294856,0.19908484465262397,0.2021865716615145,0.2048970467538463,0.20648639887244757,0.21216468230473476,0.217202142866771,0.2182944015167297,0.22132777542910723,0.22208805533381717,0.22585578565935369,0.2264423545076969,0.22864262401932442,0.23024599981198474,0.2337418507746614,0.23595029404668963,0.23712612231214708,0.23862832229243822,0.23864529113563632,0.24246582835104272,0.2437945010448551],"n_dims_used":45,"mean_confidence":0.9178768581814236},"coverage":{"mean_confidence":0.9178768581814236,"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}}