{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000678},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000674","490:4900000915","490:4900000891","490:4900002910","490:4900000679","490:4900001291","490:4900002336","490:4900000682","487:4870002644","490:4900003332","490:4900003200","496:4960008368","490:4900000710","490:4900002931","490:4900000409","490:4900004025","490:4900001557","490:4900003349","490:4900003065","490:4900001025","487:4870006431","496:4960005563","490:4900000403","490:4900000669","490:4900002781"],"twin_admin_codes":[490,490,490,490,490,490,490,490,487,490,490,496,490,490,490,490,490,490,490,490,487,496,490,490,490],"twin_sims":[0.5532017985146624,0.4557778510016937,0.41434835245528306,0.41145226003625757,0.39144057811063887,0.3853372093084972,0.37280160251343575,0.36963142797623116,0.36451468114017554,0.33361652427974753,0.32653365173172244,0.32636760747124083,0.31484218494609817,0.30903755949714423,0.3035593389694966,0.29916706377177493,0.2937548318909882,0.28105673092133093,0.2753420761386922,0.2747375760256789,0.2657168027529038,0.259478364013634,0.25750005755692934,0.2563264518421598,0.251196643377136],"twin_dists":[0.1413225911766689,0.16280996077199375,0.17240056507286003,0.17308544779583204,0.17787794455800596,0.1793619295502102,0.1824455882962129,0.1832334249365622,0.1845121544333812,0.19243902750266986,0.19431083363701632,0.19435498129923748,0.1974505511381234,0.19903386643687904,0.20054388636229747,0.20176603479608896,0.20328653771445318,0.2069205672019621,0.2085883764939276,0.20876602995023588,0.21144621047768858,0.21333298527296798,0.21393725148954676,0.21429711071005614,0.21588243479370034],"n_dims_used":45,"mean_confidence":0.9157423231336805},"coverage":{"mean_confidence":0.9157423231336805,"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}}