{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011897},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011829","490:4900011894","490:4900011892","490:4900011962","490:4900011893","490:4900011965","490:4900011440","490:4900011234","490:4900010992","490:4900011153","490:4900011832","490:4900008325","490:4900011502","490:4900011694","490:4900011498","490:4900011500","490:4900011966","490:4900011768","490:4900010580","490:4900011900","490:4900011432","490:4900011888","490:4900011833","490:4900009940","490:4900011008"],"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":[0.06738256026018619,0.051409559607215806,0.038476066061803066,0.029444973963103842,0.025350608482588088,0.02448605001313297,0.022930020907072503,0.020583923237892213,0.02006165872339523,0.01967135296467119,0.01951121584766675,0.01869761905320729,0.01836165758453795,0.017182351947128662,0.01670204742332883,0.016158738264806752,0.01600193521407791,0.015386549848761484,0.0140881434711938,0.014052946954387528,0.01401515134512626,0.013870164885571457,0.013772106676238556,0.01313819381691461,0.012981149801651382],"twin_dists":[0.3016539583220887,0.31642133182326243,0.3315092471337596,0.3448519600226658,0.3520989352029227,0.3537573014641468,0.3568741191779656,0.36193971167316663,0.36313542136045535,0.36404686922891755,0.36442539563437226,0.36639151635062167,0.3672252797921093,0.3702617755385057,0.37155109131336683,0.37304937152127043,0.373490015431377,0.375256887503589,0.37919888551644837,0.3793101370287344,0.37942987814951545,0.37989187352374587,0.3802067569369031,0.38229153665164467,0.38282174469041996],"n_dims_used":45,"mean_confidence":0.8910673353407118},"coverage":{"mean_confidence":0.8910673353407118,"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}}