{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990003339},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002813","477:4770001064","470:4700003450","485:4850000162","499:4990003281","477:4770001479","467:4670000513","485:4850000708","488:4880005187","499:4990001408","485:4850000548","470:4700003104","499:4990003090","499:4990000465","485:4850000299","468:4680000108","472:4720002691","479:4790000971","499:4990000697","477:4770001591","485:4850003674","479:4790000607","499:4990001657","485:4850006598","500:5000004669"],"twin_admin_codes":[499,477,470,485,499,477,467,485,488,499,485,470,499,499,485,468,472,479,499,477,485,479,499,485,500],"twin_sims":[0.5634497240140158,0.5136922157808914,0.5079140176221705,0.4127047709245043,0.40742331947762983,0.39953447198683495,0.3571723508050537,0.32620431328879906,0.31338293681862917,0.31133362487136584,0.30694666065070353,0.2991667003686697,0.29537934338296534,0.2898512428577435,0.28686525017673986,0.28421598931211406,0.2765377235259347,0.27607951839290895,0.2759635696842158,0.27024161521068146,0.26778937349393106,0.2649409990290264,0.26414196555478064,0.2610046146162406,0.25943034453834923],"twin_dists":[0.13911457319079892,0.14990587882679277,0.15117335676112678,0.17278899121721755,0.17404175072244732,0.17592650875497873,0.18636304140326376,0.1943984098995143,0.19784701004138194,0.19840556022835373,0.19960836570768256,0.20176613634485313,0.2028284292034386,0.2043935156959642,0.2052462932813015,0.2060073689732979,0.20823769559722238,0.2083719764077057,0.2084059777366014,0.21009492369333455,0.2108255018380497,0.21167932861263913,0.21191987236250684,0.21286877686268452,0.21334761820094594],"n_dims_used":45,"mean_confidence":0.9348313225640191},"coverage":{"mean_confidence":0.9348313225640191,"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}}