{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003061},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004442","490:4900003060","490:4900003201","490:4900003199","490:4900001695","490:4900002453","490:4900001993","490:4900003209","490:4900004156","490:4900004021","490:4900001839","490:4900001840","490:4900001866","490:4900002465","490:4900003223","490:4900002611","490:4900003340","490:4900003464","490:4900003215","490:4900004010","490:4900003589","490:4900002452","490:4900003457","490:4900001846","490:4900002001"],"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":[0.6862407054073246,0.6796384445708711,0.678334398556733,0.6701298755132318,0.6629632459781483,0.6514529904607075,0.6264421469200672,0.6095917053817712,0.6040242940546405,0.5972658862417732,0.5953999945445967,0.5918078118642918,0.587567313287602,0.5825779228347568,0.5763997199508788,0.5748020985252376,0.5734283408409604,0.5694161126609578,0.5615306169404523,0.560415870000309,0.5432549211952766,0.5422157025029768,0.5411742585990541,0.5374501716575477,0.5315260750201358],"twin_dists":[0.11270334555624034,0.11414102960262873,0.11442449426420472,0.116204465958374,0.1177548028428071,0.12023741047790722,0.12560935803197487,0.1292190297249438,0.1304111704859044,0.13185847760828692,0.13225812774698148,0.13302765976853304,0.13393636238052914,0.13500605434952592,0.13633158223050426,0.1366745536758011,0.13696954068445896,0.13783150559160653,0.13952763541004853,0.13976765592239232,0.1434718236704062,0.1436967600833168,0.14392225735631903,0.14472927883754827,0.14601531906871473],"n_dims_used":45,"mean_confidence":0.9171013726128472},"coverage":{"mean_confidence":0.9171013726128472,"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}}