{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004198},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004199","490:4900004339","490:4900003918","490:4900005427","490:4900003920","491:4910001398","490:4900004052","490:4900005549","490:4900005032","490:4900006309","490:4900003507","491:4910001809","490:4900005826","490:4900005825","490:4900003105","490:4900003500","490:4900007049","490:4900002372","490:4900002964","490:4900006790","490:4900003911","490:4900004478","490:4900003928","490:4900003498","490:4900007046"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.05378059255305578,0.027121640305026486,0.023388082020651402,0.022532219195535715,0.02034434780003468,0.018836046402726302,0.017192783370328993,0.016676746855398782,0.016543669373908047,0.015107265825772391,0.013927985991853093,0.013522293943595198,0.012472702949303121,0.012440778432291974,0.011994905904344731,0.011169190823653901,0.010832845330906877,0.009784777833233615,0.009621157035805659,0.009284656167323924,0.008595401121078924,0.0082049393420827,0.008180555469738775,0.008155487522858464,0.00752425880699149],"twin_dists":[0.31400861182901335,0.34884893306171527,0.35593802528242113,0.3577003228200235,0.36248488970209053,0.36605178426410084,0.3702341262356111,0.37161990560433,0.37198337530473746,0.3760793570160294,0.37970711928176704,0.38101799425049826,0.38457819444784924,0.3846905823931936,0.386287564423162,0.38938944916834445,0.39071169844757303,0.3950801279486043,0.3957994304326158,0.3973137210324919,0.40057502780084037,0.40252790588288123,0.4026526034171167,0.40278114691052347,0.40614071623220327],"n_dims_used":45,"mean_confidence":0.8984443664550781},"coverage":{"mean_confidence":0.8984443664550781,"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}}