{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009720},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010213","490:4900011061","490:4900010302","490:4900011289","491:4910004956","490:4900011360","490:4900011949","491:4910005518","490:4900012086","490:4900010761","490:4900010212","490:4900007896","490:4900009528","490:4900012018","490:4900011145","490:4900010733","490:4900010021","491:4910003945","490:4900010132","490:4900011068","490:4900008899","490:4900010748","490:4900011079","491:4910004957","490:4900011359"],"twin_admin_codes":[490,490,490,490,491,490,490,491,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,491,490],"twin_sims":[0.21276915019977768,0.210072450651927,0.16724926684503597,0.16685005341027692,0.16564846274694858,0.15386628541578187,0.12554764463899276,0.11891207827773377,0.11041151412597798,0.10521004655571949,0.09545744072837496,0.09501980440110815,0.0948931762902061,0.09012295583550817,0.0853909148045366,0.0788407101452564,0.07532356339380177,0.07173151905924478,0.07145373807322018,0.0687324671111862,0.06725224611235062,0.0661603640520201,0.05812244231219587,0.05439132522350951,0.04908652222042394],"twin_dists":[0.22848665428733445,0.22942634611989168,0.24561528210914205,0.24577934374739968,0.24627486633480705,0.25127752048973023,0.2645789051561428,0.26801833258474184,0.27264616764522553,0.27561535695133443,0.2815057465939031,0.2817809470941752,0.28186076128282667,0.284930557921986,0.28810573445203724,0.29274100034254713,0.2953588141600642,0.29813621551881847,0.29835565153656823,0.30054278643380233,0.30176218270405664,0.3026757583475384,0.30981005221368196,0.3134014598211445,0.31887668868843566],"n_dims_used":44,"mean_confidence":0.8833926807750355},"coverage":{"mean_confidence":0.8833926807750355,"n_dims_used":44,"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}}