{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001025},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000898","490:4900000682","490:4900000576","490:4900000674","490:4900000917","490:4900000772","490:4900000929","490:4900000916","490:4900004183","490:4900000562","490:4900000904","490:4900002908","490:4900001317","490:4900000403","490:4900004321","490:4900002182","490:4900000825","490:4900001866","490:4900003724","490:4900000711","490:4900000669","490:4900000227","490:4900002926","490:4900002781","490:4900004025"],"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":[0.7332593923635057,0.7158564620943578,0.628480755800952,0.627131081404079,0.5832023876884556,0.5785055088342391,0.5676255348442996,0.5650014730767333,0.5550529047879396,0.5443989225999767,0.538672269571908,0.5295259730933757,0.5217288645767963,0.5211029196255302,0.5058961359352236,0.4973298339349908,0.4893689544545751,0.4878929896593269,0.4850189637951244,0.4829861319986976,0.47518311838885835,0.4700911375349837,0.46713680027404325,0.4636160730346596,0.4545963797268787],"twin_dists":[0.10230545044389101,0.1061918495734473,0.12517231002377743,0.12546167202862837,0.1348721387359028,0.13587965282538308,0.1382163989483574,0.1387807123456821,0.14092331609804362,0.14322429706502865,0.1444643290988403,0.14645017860531295,0.1481488520797451,0.1482854679440328,0.1516168688561765,0.15350503181231048,0.15526803924965402,0.15559583458631235,0.15623499082956493,0.15668777888120675,0.15843144177623827,0.1595743353907392,0.16023934348711136,0.16103373284575437,0.16307864486927262],"n_dims_used":45,"mean_confidence":0.9114407009548611},"coverage":{"mean_confidence":0.9114407009548611,"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}}