{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011982},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011713","490:4900011094","490:4900011712","490:4900011382","490:4900010682","490:4900011714","490:4900011010","490:4900011014","490:4900010595","490:4900011846","490:4900011911","490:4900010679","490:4900011983","490:4900011651","490:4900011972","490:4900011648","490:4900010935","490:4900010681","490:4900011653","490:4900010773","490:4900010680","490:4900012100","490:4900011313","490:4900011916","490:4900010405"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5515676617929566,0.3719662111482187,0.3605276959137122,0.3218578225792063,0.28265952188911736,0.27725332241592154,0.2622153333268265,0.260794612439652,0.21306154527040075,0.202678118015687,0.19180389732356742,0.17334756002724538,0.16791477460271223,0.16287442861841325,0.15657332240949054,0.1533149572302921,0.13576002528759942,0.12668065247157173,0.12028669694500431,0.10039161311025552,0.09434331081224805,0.0806100436793446,0.06971658839702681,0.0695616009142036,0.0658604764775122],"twin_dists":[0.14167523933750223,0.18265287285220694,0.18551482877558045,0.19555884084999672,0.20645650221599324,0.20802825504913158,0.21250174816197895,0.21293254754499336,0.22838525231999596,0.2320458552069895,0.23602034491144647,0.24314340250882596,0.24534240953377823,0.24742884499332743,0.25010406295274273,0.2515183623314779,0.2595454121537471,0.2640055346694488,0.26729401590133056,0.27846959443938746,0.2822083200016992,0.29145941722296587,0.2997438449816278,0.29986905826551247,0.30292882519518705],"n_dims_used":45,"mean_confidence":0.8894248114691841},"coverage":{"mean_confidence":0.8894248114691841,"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}}