{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002178},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003896","490:4900003895","490:4900001596","490:4900003755","490:4900001722","490:4900001572","490:4900002333","490:4900004149","490:4900002327","490:4900001862","490:4900002331","490:4900003074","490:4900001331","490:4900002190","490:4900003754","490:4900002021","487:4870004560","490:4900001165","490:4900004185","490:4900002485","490:4900003595","490:4900001571","490:4900003330","490:4900002177","490:4900001201"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490],"twin_sims":[0.8892940348089451,0.888064810252049,0.8422666920474843,0.8342685793702587,0.7831346366016347,0.7561705295249866,0.7454905398790312,0.7338324391985557,0.7220251460962753,0.7187829936804869,0.7173426036145641,0.7082962907990221,0.7079672134227412,0.6732631741507188,0.6711579357209804,0.6557836183896396,0.6508794022273807,0.640299295707579,0.6371735650149524,0.6362141940591968,0.6180962123349302,0.6147461568697559,0.6145719868590819,0.6098291095524211,0.6059017902501249],"twin_dists":[0.06291272192800668,0.0632824828475199,0.07609771211499808,0.07818398633024984,0.09081015991561692,0.09710033017861333,0.09954061191671205,0.102176570482834,0.10482010680667017,0.1055418264690848,0.10586192437652911,0.10786508680557987,0.10793773160704176,0.11552537930931324,0.11598174149438449,0.11930431783675208,0.12036091802500098,0.12263612080887105,0.12330735353295756,0.12351329896583725,0.12739769050630387,0.1281152209760169,0.12815252217822126,0.12916819372223,0.13000914517431322],"n_dims_used":45,"mean_confidence":0.9177362230088976},"coverage":{"mean_confidence":0.9177362230088976,"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}}