{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005146},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006057","490:4900005677","490:4900006060","490:4900005545","490:4900008434","466:4660000042","496:4960011554","470:4700003308","496:4960012314","490:4900002194","470:4700005474","470:4700005332","490:4900008539","490:4900002505","488:4880003856","490:4900002485","496:4960012138","490:4900008540","496:4960010091","470:4700004324","470:4700003670","466:4660001984","490:4900005667","488:4880003603","496:4960011908"],"twin_admin_codes":[490,490,490,490,490,466,496,470,496,490,470,470,490,490,488,490,496,490,496,470,470,466,490,488,496],"twin_sims":[0.7612433056438525,0.7056604873703108,0.5539036415499932,0.5421640317695866,0.43929846479646356,0.4291244625093345,0.42558146632354804,0.4214702292412329,0.421412404201431,0.4156480496330429,0.39617107111765704,0.39028740244241433,0.38591789001533294,0.38524998689781415,0.3836561972314733,0.3829210352556303,0.3798008407026755,0.3723224676677375,0.37219934821156897,0.3657077537217676,0.3639273011664226,0.3609214588158767,0.3607464132943558,0.3605020574799225,0.3599170496786711],"twin_dists":[0.0959318502918469,0.10844652724411868,0.14117118281124552,0.1437079461406706,0.16658155806406366,0.16893753408706158,0.16976328278078734,0.17072505329973062,0.17073860868998464,0.17209388060570868,0.17673519158379156,0.17815749139759757,0.17922026591171195,0.1793832172113278,0.17977260564441117,0.17995247791396193,0.1807177489647276,0.1825644473044166,0.1825950017498042,0.18421319189576552,0.18465952256292298,0.1854155527485023,0.18545967864016638,0.18552129468765882,0.1856688951521084],"n_dims_used":45,"mean_confidence":0.9166530185275608},"coverage":{"mean_confidence":0.9166530185275608,"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}}