{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001236},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002072","490:4900001774","490:4900001775","490:4900001238","490:4900001913","490:4900003118","490:4900002225","490:4900002678","490:4900004495","490:4900001770","490:4900001498","490:4900002677","490:4900001106","490:4900002400","490:4900002832","490:4900001635","490:4900002071","490:4900002533","490:4900001776","490:4900001772","490:4900002231","490:4900002224","490:4900002686","490:4900001239","490:4900001931"],"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":[0.534368508532213,0.387983306470554,0.31580714182334996,0.2697021252198194,0.26029381429529486,0.25832526508571335,0.24865446765333174,0.24234022315102774,0.23169182281603165,0.2305457773512068,0.23049799595127465,0.18992976997276154,0.15800793961471107,0.13781408693901223,0.13594590106060336,0.12770178848633262,0.12521496013025035,0.11809954335132267,0.09802610039749489,0.0976296086987357,0.09686410406558457,0.09256184765857764,0.08622967953761669,0.07807666383757518,0.07618255554234865],"twin_dists":[0.14539790643110584,0.1787172014149681,0.1971889573480161,0.21025529675836716,0.21308475357691803,0.2136848403930282,0.21667572451114178,0.21866888858545344,0.2221079399419442,0.2224841958899922,0.22249990964201904,0.23672103534514372,0.24948817998708486,0.25856765776781093,0.25945647924702225,0.2634920990861448,0.26474800911227764,0.2684494922255149,0.279910194457765,0.28015431919911205,0.2806278606260496,0.2833454300715029,0.2875328962537837,0.29330157130812534,0.29471052567299233],"n_dims_used":45,"mean_confidence":0.9130811903211805},"coverage":{"mean_confidence":0.9130811903211805,"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}}