{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003527","490:4900003131","490:4900004493","490:4900003259","490:4900002845","490:4900003130","490:4900003952","490:4900003139","490:4900003256","490:4900001376","490:4900004354","490:4900002995","490:4900003258","490:4900003657","490:4900002993","490:4900003254","490:4900003670","490:4900003265","490:4900003390","490:4900003396","490:4900001378","490:4900003518","490:4900003125","490:4900003266","490:4900003794"],"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":[0.6374201799064171,0.5070161366653952,0.41998880925184345,0.4191256591045492,0.39287559267953626,0.38601511039849634,0.36242716703662253,0.32200617510901497,0.32032031795234583,0.30205350358296373,0.2724088541215555,0.2716802866188733,0.2496330087876757,0.2488601353474179,0.24885455669970932,0.2286464671640167,0.22485582091178713,0.22096320339592748,0.21398896649810134,0.20611221009331943,0.20149051213487115,0.18669075610734204,0.17867735849325705,0.16550741553219137,0.1382004201348448],"twin_dists":[0.1232544079811079,0.15137064529899455,0.17107257690234126,0.17127530098139607,0.17753061205200898,0.17919655779700108,0.18503643899724354,0.19551909011188362,0.19597141697838552,0.20096171614341055,0.20945265703387347,0.2096682171404806,0.21636975803559705,0.2166113532203786,0.21661309881420887,0.22311048018337193,0.22437078823982046,0.22567979090551532,0.22806424612211604,0.23082131557792154,0.2324726466013726,0.2379435115587866,0.24103344243992605,0.2463332025480719,0.2583849793127801],"n_dims_used":45,"mean_confidence":0.9078699747721354},"coverage":{"mean_confidence":0.9078699747721354,"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}}