{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":498,"cluster_id":4980000055},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["498:4980000404","471:4710001614","473:4730006260","473:4730005374","484:4840002701","498:4980001374","484:4840004697","473:4730007941","498:4980002402","498:4980002965","498:4980002482","473:4730006143","500:5000007361","484:4840002814","498:4980000972","498:4980001934","498:4980000210","498:4980001897","498:4980003147","498:4980001283","498:4980000983","473:4730004700","498:4980000514","473:4730007056","498:4980002063"],"twin_admin_codes":[498,471,473,473,484,498,484,473,498,498,498,473,500,484,498,498,498,498,498,498,498,473,498,473,498],"twin_sims":[0.47425780347590263,0.3394663423171885,0.3355024882409929,0.32720770714344055,0.30715091662543237,0.2929479191345696,0.28758874052917544,0.27919408282919733,0.2727978183411662,0.247014196753122,0.24192326584594004,0.2374073543390734,0.234981037488419,0.21893032220957043,0.2154334164574505,0.20834355484285014,0.20804155223786164,0.19707533689283865,0.19155093399796375,0.19147995854261032,0.18801113974993303,0.18318309516284773,0.17368295555918015,0.17118444912139227,0.16498004007038855],"twin_dists":[0.15863882514175315,0.1909093537789399,0.19194429058197443,0.19413174392066526,0.19955214484373254,0.20351464240190234,0.20503918414294892,0.20746188990080397,0.20933772011418056,0.21719033390364365,0.21880167963731828,0.2202495031719255,0.22103481349664,0.2263695371965004,0.2275661485128588,0.2300331152653896,0.23013945670410502,0.23407470220583318,0.23611464197816082,0.23614111507892205,0.23744338891783925,0.23928429593243372,0.24300927287283644,0.24401295184620295,0.24655164021459128],"n_dims_used":45,"mean_confidence":0.9262724134657118},"coverage":{"mean_confidence":0.9262724134657118,"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}}