{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003850},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002739","490:4900004272","490:4900004277","490:4900003563","490:4900001543","490:4900003707","490:4900005242","490:4900003565","490:4900004819","490:4900003449","490:4900001275","494:4940008097","490:4900004964","490:4900003459","490:4900001406","490:4900001404","490:4900003716","490:4900003326","490:4900001405","490:4900004142","490:4900001698","490:4900001811","490:4900004264","490:4900002579","490:4900002293"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6378601784522401,0.6285334691255956,0.6100355162079865,0.5723512160833687,0.524741460283454,0.4444753333167929,0.4401933639220562,0.36813826957502205,0.3675170461868553,0.35366064447646395,0.33389165483007244,0.33098290450517154,0.3283347943635711,0.31221007310203464,0.3091145246825053,0.3040676177766253,0.28471728286470926,0.2825516989268228,0.2803780947339824,0.27715888580632575,0.27311509572999976,0.24438736673469308,0.24437392737472505,0.2422550300065948,0.23920809983924446],"twin_dists":[0.12315993942439596,0.12516100766096033,0.1291239951261728,0.1372008814400741,0.14749186235746936,0.1653910387959302,0.1663753706976661,0.18360566039714815,0.18376074967113507,0.1872551829737417,0.19236675911938453,0.1931324503828757,0.19383274280439555,0.1981664240339391,0.19901276205105634,0.20040312425027806,0.2058630318651643,0.20648767078264893,0.20711753954311943,0.20805587571457168,0.2092440409113755,0.2180190561549887,0.21802331077497367,0.21869600855870175,0.21967004684967148],"n_dims_used":45,"mean_confidence":0.92200927734375},"coverage":{"mean_confidence":0.92200927734375,"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}}