{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001148},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003039","490:4900002284","490:4900003716","490:4900003565","490:4900006015","490:4900004540","494:4940008828","490:4900003846","490:4900002282","490:4900001138","490:4900003442","490:4900001532","490:4900004264","494:4940008831","494:4940008086","494:4940008660","490:4900003035","490:4900001414","490:4900001401","490:4900001827","490:4900001832","494:4940007483","490:4900003848","490:4900002892","490:4900003720"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,494,494,494,490,490,490,490,490,494,490,490,490],"twin_sims":[0.6137720569495438,0.544559399404038,0.37175567517810987,0.36143141923953587,0.31756794889355194,0.3163003339930299,0.2990952506804287,0.28891773366940215,0.2840974391088295,0.27468251635577856,0.2736796965224018,0.26395893590112446,0.2565774208692615,0.25409303030670444,0.2446540397722904,0.24405238592023515,0.2437281992566974,0.24352031870987753,0.2372203986653779,0.23240244620162592,0.2323790675391762,0.2299641145932123,0.22697490160026695,0.22360857743577664,0.22230340966269885],"twin_dists":[0.1283238359661396,0.14318958226758322,0.18270514914617128,0.18528706279521112,0.1967127767418023,0.19705543083810237,0.20178610353155005,0.20465955252261017,0.2060415254701054,0.2087822230532918,0.20907750238380468,0.21197503614658175,0.21422006940539695,0.2149848301381771,0.2179346642453295,0.21812514911744887,0.21822791296447824,0.2182938554219246,0.22030982699023946,0.22187525151466836,0.2218828992377719,0.22267563216859637,0.22366451888224562,0.2247885528395338,0.2252273847730414],"n_dims_used":45,"mean_confidence":0.919691636827257},"coverage":{"mean_confidence":0.919691636827257,"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}}