{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004457},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003726","490:4900003465","490:4900003342","490:4900003894","490:4900004592","490:4900003341","490:4900004446","490:4900003076","490:4900003357","490:4900003226","490:4900004306","490:4900000782","490:4900002335","490:4900004456","490:4900002302","490:4900004722","490:4900000783","490:4900003617","490:4900001992","490:4900000556","490:4900002003","490:4900002606","490:4900003472","490:4900004319","490:4900004857"],"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":[0.619960622782276,0.5717851245495937,0.570702546854655,0.5225108674197574,0.5192014635553496,0.51901765204722,0.4987080789385067,0.49105477881789983,0.4758681338406043,0.46017254196547325,0.4515182847282958,0.4397334374750025,0.4377267547455902,0.43085187111665646,0.4299319496304695,0.4291989150569537,0.4058493110600838,0.39350661002044574,0.3887381465376257,0.38790696501385624,0.38518468938516465,0.37760731235202855,0.3765259476605396,0.3750305727491998,0.3671673339277762],"twin_dists":[0.12699829911750685,0.13732248247937331,0.13755506447875646,0.14797822900760826,0.14870070662500534,0.14874086625442898,0.15320063737311507,0.15489399930906747,0.15827800014959167,0.16181274644745247,0.163779855401591,0.16648131857777976,0.16694408415474982,0.16853594935503877,0.16874972912978578,0.16892021191189113,0.17441648927988812,0.17737806677166534,0.1785336641842514,0.17873577299720989,0.1793991553427567,0.18125756182188157,0.18152423944659368,0.1818936339398926,0.18384811352679312],"n_dims_used":45,"mean_confidence":0.9177381727430556},"coverage":{"mean_confidence":0.9177381727430556,"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}}