{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001607},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001342","470:4700003135","490:4900004701","490:4900004999","490:4900001471","496:4960012189","470:4700002619","490:4900003753","490:4900005138","490:4900001600","470:4700004405","470:4700006479","490:4900004860","496:4960012312","490:4900002786","490:4900006181","470:4700004335","490:4900001608","490:4900001461","490:4900001475","490:4900005136","466:4660002277","496:4960012130","490:4900007516","490:4900001720"],"twin_admin_codes":[490,470,490,490,490,496,470,490,490,490,470,470,490,496,490,490,470,490,490,490,490,466,496,490,490],"twin_sims":[0.5821024037339237,0.48207364974832523,0.4556538019450904,0.4553202196992229,0.4505919780400468,0.4309596974061631,0.4256286063828533,0.4238271425523203,0.414728049461509,0.4097647541633086,0.38343811309324566,0.37570714460712923,0.3744050781430158,0.372879871174845,0.36835285836913495,0.36779438331824627,0.36755783584654816,0.36313104330668106,0.3625053792530953,0.35593235750896446,0.3553947937175258,0.35313594864719006,0.3521500559208659,0.3499066175915531,0.3487529239784202],"twin_dists":[0.1351080359199227,0.15689121640309234,0.16283815943188454,0.1629140027512161,0.1639912200669492,0.1685109038525041,0.16975227749382396,0.17017320702570612,0.17231092657478472,0.1734854878803308,0.17982594712645822,0.18172641491981334,0.18204836048701784,0.18242617934905572,0.18355211841046104,0.1836914958882658,0.1837505624561395,0.1848594882775473,0.18501676826584512,0.18667753953929236,0.18681405679648175,0.18738887394557954,0.18764035614195168,0.18821398574256362,0.18850972570681346],"n_dims_used":45,"mean_confidence":0.9165249294704861},"coverage":{"mean_confidence":0.9165249294704861,"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}}