{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000062},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000112","490:4900000133","496:4960007911","487:4870004398","490:4900000278","490:4900000089","490:4900003064","490:4900000602","490:4900000138","490:4900000388","490:4900000400","490:4900000402","490:4900000200","490:4900000599","490:4900000293","490:4900000205","490:4900000097","490:4900000397","490:4900000174","490:4900000697","487:4870004106","490:4900000139","490:4900000111","490:4900000190","490:4900000340"],"twin_admin_codes":[490,490,496,487,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490],"twin_sims":[0.4025517561421765,0.3308022868988704,0.3013961509877203,0.2371175755825228,0.23311766896539515,0.22945460260961906,0.22651803386621147,0.22215594543601652,0.2191736943025027,0.21769212220531975,0.21060056750753872,0.21034381100448307,0.2016487075096788,0.2000338653324505,0.19626456052777586,0.19399384818004028,0.19281800976061036,0.192013234215584,0.18014133553269918,0.17663150033888222,0.1729856270367087,0.17216646661279902,0.16816753381918023,0.1663960156570923,0.16527476946121597],"twin_dists":[0.17520367784207927,0.1931801167326473,0.20114449435071066,0.22034301749359111,0.2216415288407214,0.22284358492588235,0.2238164173013502,0.22527707411342837,0.22628673674094327,0.22679175912183644,0.22924167677018986,0.2293314188033016,0.23241569606998472,0.23299849332477843,0.2343715826421191,0.23520759674618053,0.23564318242736346,0.23594237600429038,0.240461730371231,0.24183798765540587,0.2432883530978167,0.24361722154075444,0.2452389767893448,0.24596628036441762,0.24642950193800098],"n_dims_used":45,"mean_confidence":0.9106796264648438},"coverage":{"mean_confidence":0.9106796264648438,"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}}