{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002528},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001769","490:4900001921","490:4900002690","490:4900002542","490:4900002676","490:4900001123","490:4900002976","490:4900003117","490:4900001115","491:4910001208","490:4900001497","490:4900002526","490:4900003809","490:4900001771","490:4900002380","490:4900001916","490:4900001633","490:4900002378","490:4900002069","490:4900002824","490:4900003533","490:4900003121","490:4900001362","490:4900002228","490:4900002376"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.48467691594174644,0.37623338457377986,0.36382989833958446,0.331047092619304,0.32774324089771956,0.3264749173500202,0.3107804923762044,0.2967817300632733,0.2485095009579007,0.24815459235808984,0.24303720581153565,0.24101523806303254,0.23280093762972925,0.22937801740680336,0.21834341065361515,0.21679480378842853,0.20916683091264046,0.2032391020308541,0.19251125637646188,0.18226127453724797,0.17185496866598216,0.16542624994535796,0.1651787965624134,0.1540922652094726,0.15274735259170322],"twin_dists":[0.15631113644454755,0.18159645322823667,0.18468397162951128,0.19311551408711272,0.193989603261744,0.19432644844850233,0.19855667875748484,0.20243415359482372,0.21672111768467414,0.21683232129352184,0.2184472458292971,0.21909137893273023,0.22174497306817803,0.22286885133457118,0.22656947158084448,0.22709875112800765,0.2297437547056961,0.23184485092960902,0.23575712218301895,0.23963965483025917,0.2437425725367678,0.24636678838085133,0.2464692566069471,0.25117898637306474,0.2517669788523772],"n_dims_used":45,"mean_confidence":0.9140088399251302},"coverage":{"mean_confidence":0.9140088399251302,"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}}