{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002443},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003711","490:4900003578","490:4900001538","490:4900003183","494:4940008092","490:4900003040","490:4900002881","490:4900003853","494:4940004539","490:4900002445","490:4900002449","490:4900002136","490:4900003192","490:4900002895","490:4900012636","490:4900004832","490:4900004693","490:4900003312","490:4900003314","490:4900005106","490:4900002894","490:4900012716","490:4900002291","490:4900001415","490:4900003582"],"twin_admin_codes":[490,490,490,490,494,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5611642003750291,0.4814743854654742,0.4111966019135928,0.40948253765085135,0.36100452855107124,0.3437732733966155,0.34294793648775773,0.3363350505419888,0.33127492196238917,0.33119042762925077,0.3269023799425914,0.31938653636840114,0.3168129079949142,0.3104359821942295,0.2958805583261783,0.28781037028842615,0.2813253271862058,0.28020142033953843,0.279183662120913,0.2745109162888699,0.26993837715024915,0.2659543213852397,0.2659478015422694,0.2593511432875278,0.2585573186634637],"twin_dists":[0.13960652289228337,0.15702488800939748,0.17314600785212633,0.17355246063150045,0.18539461614634511,0.18979217236811252,0.1900056764576626,0.19172636822189784,0.1930554149009305,0.19307770105105318,0.19421284098087324,0.1962225312550439,0.1969167816392087,0.19865087841477264,0.20268738814041198,0.20497580200814935,0.20684268749486898,0.20716886625026276,0.2074649245278203,0.20883270357124023,0.21018504225603812,0.2113749242497088,0.21137688051444128,0.2133717568463358,0.21361395244313314],"n_dims_used":45,"mean_confidence":0.9141237046983507},"coverage":{"mean_confidence":0.9141237046983507,"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}}