{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011435},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011644","490:4900011833","490:4900011634","490:4900011167","490:4900011235","490:4900011438","490:4900011966","490:4900011763","490:4900011772","490:4900011699","490:4900011501","490:4900011843","490:4900011646","490:4900012168","490:4900011703","490:4900011232","490:4900011383","490:4900010997","490:4900011436","490:4900011562","490:4900011011","490:4900011165","490:4900011012","490:4900011437","490:4900012043"],"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":[0.19455322367813804,0.17554756110472702,0.15123463992284214,0.1286614325917025,0.12306302275651335,0.12090506929346867,0.08494977145069516,0.07729282348584883,0.06953435191618892,0.063093900769051,0.06290008771210284,0.05855289259328986,0.053785284510360604,0.052588786184792714,0.04634326815173303,0.04567469810780717,0.042256230305128116,0.04038209695299886,0.04022558363846361,0.032154898978184195,0.031570001548009874,0.03125530897669858,0.030996256826535458,0.03099616098604135,0.03068695807413484],"twin_dists":[0.2350010220145261,0.24226694188502773,0.252432891288899,0.263012407501525,0.2658501680468677,0.26697024329865304,0.2884088161625904,0.2938812667676632,0.2998910959582232,0.3053089919225493,0.3054789143893215,0.30940806713058033,0.31400392564974117,0.3152100829037866,0.3219042977637806,0.3226648343401368,0.3267061574617203,0.3290399669203022,0.32923897610937447,0.3405184461012642,0.3414265615675724,0.34192112435433375,0.3423314518985164,0.3423316042480954,0.34282523087236644],"n_dims_used":45,"mean_confidence":0.8909429762098524},"coverage":{"mean_confidence":0.8909429762098524,"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}}