{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004540},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004548","490:4900003039","490:4900003846","490:4900003030","490:4900003716","490:4900002284","490:4900005629","490:4900003565","490:4900003572","490:4900004535","490:4900003440","490:4900006272","490:4900004399","490:4900003860","490:4900004002","490:4900001148","490:4900006631","490:4900003442","490:4900001552","490:4900003698","490:4900006622","490:4900003177","490:4900002892","490:4900002431","490:4900003038"],"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":[0.5969372551347487,0.5892990285317244,0.5110797655799885,0.44528284136688434,0.44027518221203266,0.4086427847550877,0.40173165105840164,0.3998351313176194,0.39478746826222355,0.3860876260648047,0.36523426748316834,0.35414157373702587,0.3396939638838203,0.32771797964622584,0.316345779460804,0.3163003339930299,0.3135000671258887,0.31073481697999616,0.2999885892093465,0.2961862482825026,0.2943268009868614,0.28931301770820855,0.2796810521882736,0.2791793767945728,0.260005988024362],"twin_dists":[0.13192886327116837,0.1335652281893548,0.1504784798075903,0.16520582047059076,0.1663565277084536,0.1737518625451161,0.1753999017330909,0.17585437101534462,0.17706877400815263,0.1791788760080168,0.18433178015254909,0.18713273398343916,0.190850121425638,0.19399630518717917,0.19704313289255185,0.19705543083810237,0.1978151485603281,0.19856916437501138,0.2015366533992139,0.20260143662274732,0.20312507335954955,0.20454683967143023,0.20732015568924617,0.20746617248285482,0.2131723150187101],"n_dims_used":45,"mean_confidence":0.9188874986436631},"coverage":{"mean_confidence":0.9188874986436631,"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}}