{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001630},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001239","490:4900002224","490:4900001913","490:4900002532","490:4900002225","490:4900002071","490:4900002237","490:4900002983","490:4900001106","490:4900001495","490:4900001774","490:4900002678","490:4900002677","490:4900001244","490:4900002082","490:4900002072","490:4900001770","490:4900001636","490:4900002533","490:4900001782","490:4900002226","490:4900001635","490:4900002839","490:4900002381","490:4900002832"],"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":[0.8033735093547606,0.7861845487610769,0.5558673613257872,0.47856193169012656,0.4017707809115653,0.352926132452173,0.31972901014101507,0.3176959051149342,0.27912527635364104,0.24289765982821734,0.2410447825553132,0.19351425637968708,0.18933964919966587,0.1831208216041089,0.1814906192386658,0.1740735263748518,0.14373035164970477,0.1434582464849546,0.13412104877248926,0.13388026335757508,0.11735345298801353,0.1129091538880108,0.11057460092278296,0.1105610723804272,0.10048873018638682],"twin_dists":[0.08594032033713912,0.09008529576645406,0.1407477055425279,0.1576752923083465,0.1753905351549356,0.18744236338399764,0.19613038476939293,0.19667823131821519,0.20748192839175048,0.2184915889576705,0.21908194186288812,0.23538503764928198,0.23694266659993393,0.23930826239122938,0.23993771542049833,0.24285331081174014,0.2558109587076086,0.2559358759072816,0.2603335661223621,0.26044996366619605,0.26884739962730814,0.2712587612908202,0.27255483943878006,0.27256241142745613,0.27841102058895517],"n_dims_used":44,"mean_confidence":0.9107939980246804},"coverage":{"mean_confidence":0.9107939980246804,"n_dims_used":44,"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}}