{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002007},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001705","490:4900001294","490:4900002163","490:4900001292","490:4900002489","490:4900004006","490:4900003875","490:4900002912","490:4900003722","490:4900002906","490:4900001164","490:4900002751","490:4900001293","490:4900003219","490:4900004399","490:4900001721","490:4900003327","490:4900001723","487:4870001863","490:4900002632","490:4900002431","490:4900003588","490:4900003334","490:4900003860","490:4900002911"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490],"twin_sims":[0.5953376674525231,0.5943877247683527,0.5427833567556388,0.4130896446362856,0.4029836515870217,0.39699850012701104,0.39602436513412576,0.38683890614951083,0.38230771037895095,0.377173686233633,0.37676926524500637,0.35311114781643593,0.3465407328747428,0.3395542229085172,0.3392040356375187,0.32855440769099636,0.326642459032434,0.3184615959553814,0.31187730627307064,0.30939821549264834,0.30776249526594707,0.3043496007384822,0.303287767142964,0.3010502083331704,0.2893931236738926],"twin_dists":[0.13227147814377752,0.1324749612317206,0.143573882966991,0.17269797425116012,0.17510041204391236,0.17653595716427153,0.17677053648111313,0.17899578094771434,0.18010266689126908,0.18136445451953565,0.18146420186477077,0.18739519567806995,0.18907824521667377,0.1908864827059078,0.1909776384616316,0.19377454825213183,0.19428191080973486,0.19647167498457682,0.19825717324427686,0.19893499810913373,0.19938393831396703,0.20032509109571645,0.20061915121733298,0.20124077774324733,0.2045240091451161],"n_dims_used":45,"mean_confidence":0.9164438883463542},"coverage":{"mean_confidence":0.9164438883463542,"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}}