{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000050},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000067","490:4900000354","490:4900004188","490:4900000728","490:4900000179","490:4900000435","490:4900000092","490:4900000561","493:4930000337","490:4900000600","490:4900000072","490:4900000183","490:4900000113","490:4900000066","490:4900000141","490:4900001021","490:4900000217","494:4940007986","490:4900002359","490:4900000114","490:4900000244","490:4900000201","490:4900001423","490:4900000357","494:4940005097"],"twin_admin_codes":[490,490,490,490,490,490,490,490,493,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494],"twin_sims":[0.5803419109954785,0.4646631741752877,0.38459483394345506,0.3720051530354165,0.34468291683880675,0.25860737547942314,0.23793870342098347,0.2052930675382314,0.19050809715112677,0.18505141360465344,0.12020739631541111,0.11579896470966708,0.11383039332067023,0.10308617021149191,0.09229677568946384,0.09008930387516703,0.08559701168062339,0.07281556913371531,0.07001641897704752,0.06531905079832362,0.06423929971796247,0.06255157662930368,0.06239438026071365,0.0607035162753244,0.056261749044496864],"twin_dists":[0.13548565369711893,0.16079725525047173,0.17954318844349568,0.18264320514588417,0.18955717473987932,0.2135986662984672,0.22007822505960842,0.23111213169925823,0.2365042999236579,0.23856791465696778,0.2673356286960703,0.2696827172643178,0.2707529988109597,0.2768606087881955,0.2835160992456266,0.28495266584035256,0.2879645657662282,0.2972863885593205,0.29950225437013206,0.30338811122805526,0.3043134178003623,0.3057855480439768,0.3059243139361368,0.30743536041036384,0.3115764680407745],"n_dims_used":45,"mean_confidence":0.918167961968316},"coverage":{"mean_confidence":0.918167961968316,"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}}