{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004440},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003070","490:4900003873","490:4900002146","490:4900003872","490:4900003597","490:4900003347","490:4900003474","490:4900003346","490:4900004425","490:4900003608","490:4900003048","490:4900004014","490:4900003737","490:4900002151","490:4900004417","490:4900004154","490:4900002173","490:4900003729","490:4900004439","490:4900001719","490:4900002917","490:4900003592","494:4940005659","490:4900003068","490:4900002302"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490],"twin_sims":[0.8468094995358415,0.6763464773458392,0.5131967510075225,0.4468828668151626,0.4447331668506333,0.39565816550071775,0.395536370774549,0.3910390387703752,0.37070629610911876,0.36367099162715,0.34335768382941867,0.3408567208307784,0.3390451015491947,0.3240595993028512,0.3232257262747044,0.3209341600442827,0.30370378480774324,0.30292316127794383,0.29934822560422625,0.29291582979818614,0.2899532060475509,0.28724265876896743,0.2844632272868505,0.2782291691068845,0.27510148978206467],"twin_dists":[0.07489593160107302,0.1148563139718658,0.15001441916064664,0.1648392003231535,0.16533188546676203,0.17685878883249176,0.17688814911307096,0.17797523987401997,0.18296592990386137,0.1847238658789677,0.18989964592420042,0.19054787709440682,0.19101902660313275,0.19496992585380496,0.1951927008386377,0.1958065650447191,0.20050386980477036,0.2007202616139792,0.20171542022344352,0.203523721369157,0.20436448862010193,0.20513821584341752,0.20593616276771406,0.20774317639181408,0.20865905253876507],"n_dims_used":45,"mean_confidence":0.9170774671766493},"coverage":{"mean_confidence":0.9170774671766493,"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}}