{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001802},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002264","490:4900004376","490:4900001953","490:4900002705","490:4900004103","490:4900002266","490:4900003683","490:4900001948","490:4900002417","490:4900002113","490:4900002109","490:4900003826","490:4900002565","490:4900002855","490:4900004118","490:4900001798","490:4900009893","490:4900004515","490:4900010193","490:4900001804","490:4900010301","490:4900008969","490:4900002415","494:4940008953","490:4900001658"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490],"twin_sims":[0.5372421902002423,0.45972821552768006,0.45728632110034995,0.42748589906619533,0.41845439146720975,0.3313664269273815,0.3304020131756158,0.3090168111885418,0.2771965341475962,0.26528197595847886,0.2582680186351891,0.24346490130196044,0.24193416593425734,0.23060113164028612,0.20249263787601016,0.19847986186673644,0.1946375677664198,0.18696391211587843,0.17961478836018271,0.17302865143866816,0.17129365278777794,0.17107189572125042,0.16689927398969379,0.1664691455121634,0.1655161155122557],"twin_dists":[0.14477438065946927,0.16191341436829282,0.16246727994557153,0.16931907565456705,0.17143308115690503,0.19303128314222534,0.19328580285078253,0.19903955628295314,0.2080448637008138,0.21157681750558466,0.2137023342676045,0.218311440694878,0.2187982063310161,0.22246599434454598,0.23211239798986974,0.23356240390727634,0.23496990995327532,0.2378398449574309,0.2406669768962045,0.24327111090159434,0.24396886505704726,0.2440584120609552,0.24575910067078952,0.2459361464815811,0.2463296032542726],"n_dims_used":45,"mean_confidence":0.9191947089301216},"coverage":{"mean_confidence":0.9191947089301216,"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}}