{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002365},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001922","480:4800002140","480:4800001748","480:4800001291","480:4800001306","480:4800002030","480:4800002032","480:4800001635","480:4800001751","480:4800001869","480:4800002097","480:4800001975","480:4800001293","480:4800001749","480:4800002415","480:4800001747","480:4800002314","480:4800001639","480:4800002414","480:4800002328","480:4800001696","480:4800002363","480:4800001638","480:4800001870","480:4800001979"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8483661177653209,0.7980641043196937,0.7717198114378522,0.7585304927423202,0.7524533944276541,0.7519954239022407,0.7360419098949509,0.7238181381097364,0.7128192748838063,0.709884354144373,0.6998154214011224,0.6943420355465129,0.6740675755379137,0.6677473640744644,0.6595038759943519,0.6573017936083331,0.6220493000826973,0.6022841571022303,0.5984272347343109,0.5941991124234587,0.5925906001924549,0.5795395267811609,0.5698980397808782,0.56260014510026,0.5574858250048149],"twin_dists":[0.07448117703890142,0.0872320348643365,0.09349767683994711,0.09655751591229825,0.09795261236456133,0.09805739505911837,0.10167907022207492,0.10442023607606364,0.10686505965105533,0.10751430263157896,0.10973259252327827,0.1109329748238172,0.11535090680425288,0.11672030142757779,0.11850183069071497,0.11897694178135092,0.126550799876865,0.13078379227504164,0.1316097509135811,0.13251536453431975,0.1328599508453168,0.13565779196155694,0.13772793647140927,0.13929741097142287,0.1403988503247382],"n_dims_used":42,"mean_confidence":0.9112120128813244},"coverage":{"mean_confidence":0.9112120128813244,"n_dims_used":42,"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}}