{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004015","490:4900004293","490:4900004431","490:4900002771","490:4900002320","490:4900004017","490:4900003462","490:4900004295","490:4900003594","487:4870001756","490:4900003611","490:4900003603","490:4900004444","490:4900002319","490:4900004567","494:4940003584","496:4960004353","494:4940002349","490:4900004154","494:4940003586","494:4940004654","490:4900003878","494:4940005779","496:4960002036","494:4940002796"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,494,496,494,490,494,494,490,494,496,494],"twin_sims":[0.5207585416390127,0.511743906851652,0.3650876080363991,0.34955192978605826,0.32945193883956675,0.3165659732475329,0.3107146409563934,0.2733139511843729,0.25185882070755744,0.2481911512116667,0.20964379420284374,0.1955993243139404,0.19514153465429157,0.1901340169372051,0.18552054114295732,0.18044969876985614,0.17742505253170615,0.17014836650935145,0.16465008634305248,0.1588757837175156,0.1585937439075047,0.157094883764973,0.15071084765729054,0.14931898482105416,0.14435174554162364],"twin_dists":[0.1483606465803938,0.1503328422910092,0.18436852783222843,0.18830485255352028,0.193536936988226,0.19698356064895678,0.1985746799349952,0.20918536102835739,0.2156766439180213,0.21682086158919056,0.2295764687170159,0.2346158062145178,0.23478420615648582,0.23664443860864734,0.23838883457035298,0.24034172853872884,0.2415251365057699,0.24443223703688371,0.2466885629297112,0.24911759036481956,0.24923786580308438,0.2498796814231428,0.2526646112439773,0.2532832498724441,0.25552634776888694],"n_dims_used":45,"mean_confidence":0.9175065782335069},"coverage":{"mean_confidence":0.9175065782335069,"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}}