{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010062},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010332","490:4900010244","490:4900010060","490:4900010057","490:4900010333","490:4900010161","490:4900010343","490:4900010251","490:4900010068","490:4900009763","490:4900010330","490:4900010159","490:4900010245","490:4900010329","490:4900010504","490:4900009866","490:4900009562","490:4900009864","490:4900010061","490:4900007789","490:4900009345","490:4900010854","490:4900010058","490:4900010500","490:4900009957"],"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":[0.5914486774229516,0.5434524774756402,0.5081491943976603,0.5019221075491166,0.48189981616071853,0.4588341356888197,0.446981772649425,0.4334262949295873,0.3619146826215651,0.356241587776674,0.321861021409277,0.2663776011499641,0.24168897931456296,0.23984542806831385,0.22192313219358065,0.2191047989286226,0.2137475749091338,0.2053788244108947,0.19764610772621202,0.19161241373526666,0.18897783826846032,0.18400778855240002,0.18264545855803127,0.18076932917292757,0.15295874994021053],"twin_dists":[0.13310460617222541,0.14342907191014115,0.15112169724263874,0.1524917116316527,0.15692998624404683,0.16211608505149921,0.16481655402725362,0.16793866220731535,0.18516538452600992,0.18659905703281823,0.19555798362242202,0.2112479838861947,0.21887635941140463,0.21946564335493476,0.2253555673873867,0.22631017017877186,0.22814770774958423,0.23108164871029135,0.23386621086664713,0.23609171620975553,0.23707879071892343,0.23896744683410331,0.23949139928555824,0.2402174951469207,0.25167430561095305],"n_dims_used":45,"mean_confidence":0.8914035373263889},"coverage":{"mean_confidence":0.8914035373263889,"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}}