{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003946},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003385","490:4900004071","490:4900003667","490:4900003939","490:4900004072","490:4900003940","490:4900003936","490:4900004501","490:4900004213","490:4900002827","490:4900003269","490:4900004214","490:4900003938","490:4900002973","490:4900003945","490:4900004070","490:4900003380","490:4900003534","490:4900004075","490:4900004080","490:4900003943","490:4900004360","490:4900003944","490:4900002530","490:4900002231"],"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":[0.32416396667999525,0.2688793795495703,0.2502244899028892,0.23532695420209568,0.22732783422019417,0.2020899813062749,0.17274864984450827,0.16832227902033375,0.15906365557874608,0.1552110058040536,0.1507791319741398,0.14709887283231576,0.1457292311589323,0.14130383187480175,0.12136576715448175,0.12074727864174713,0.1143961443325267,0.10598030569188727,0.091845733938469,0.08262536233231209,0.08073294474151159,0.07808532071901525,0.07790150811760027,0.06987250761027286,0.06984020073056267],"twin_dists":[0.194942065857854,0.210500255158127,0.21618518796623526,0.2209225298276041,0.2235473152876747,0.23225699915877124,0.243383377630464,0.24517570800099447,0.24903755895928611,0.250692733996278,0.2526343694635904,0.25427887789888076,0.2548986554246162,0.2569311857382527,0.26672984799055194,0.26705274027804243,0.27044396042782654,0.2751685796224858,0.28380739923348786,0.29002683466043383,0.29137123705505547,0.29329519522207603,0.2934307016757201,0.2996181068988192,0.2996441414368087],"n_dims_used":45,"mean_confidence":0.9225234137641058},"coverage":{"mean_confidence":0.9225234137641058,"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}}