{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001244},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001931","490:4900001781","490:4900003118","490:4900002246","490:4900002547","490:4900002400","490:4900001782","490:4900002677","490:4900002839","490:4900001242","490:4900001917","490:4900001368","490:4900004491","490:4900001630","490:4900003800","490:4900002983","490:4900001239","490:4900001774","490:4900002832","490:4900004212","490:4900001929","490:4900002678","490:4900003799","490:4900001495","490:4900003790"],"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":[0.5189735217529533,0.3091138419802119,0.3007178460058587,0.29476665605892904,0.2816881060621382,0.26633227531384673,0.2475810996267381,0.24189729996703657,0.20793741517676478,0.20700138125267029,0.20491002570036818,0.1935788459397437,0.19097623169764705,0.1831208216041089,0.18056880097127098,0.16179686860405637,0.1511773341076467,0.14483248364962426,0.13915715159472808,0.13866517417575,0.13350013942040603,0.13106989102130784,0.12703215611566268,0.11907346657637743,0.11790587815653467],"twin_dists":[0.14875050846181248,0.19901294923948123,0.20133334225995106,0.203001030358509,0.2067375709258406,0.21126157096909962,0.21701222970116327,0.2188099540566694,0.23017614993364072,0.23050653018669082,0.23124839356869675,0.23536112279191726,0.23632919689597437,0.23930826239122938,0.24029541790773024,0.24788094024061755,0.2524582139697131,0.2553067828393912,0.257934223685729,0.2581657244074278,0.2606340391206176,0.2618203037289166,0.26382844303056585,0.2679329628583605,0.2685525928762419],"n_dims_used":45,"mean_confidence":0.9139868842230903},"coverage":{"mean_confidence":0.9139868842230903,"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}}