{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003156},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003289","490:4900002263","490:4900002411","490:4900003288","490:4900002273","490:4900002258","490:4900003679","490:4900002716","490:4900001256","490:4900003014","490:4900003163","490:4900003544","490:4900003541","490:4900003157","490:4900002872","490:4900002717","490:4900003021","490:4900003678","490:4900003290","490:4900002413","490:4900002866","490:4900002412","490:4900002569","490:4900003422","490:4900001255"],"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":[0.771166718179474,0.518061067158411,0.4378969605225621,0.365320185576668,0.35290348973974345,0.33269754399724344,0.32266176285638515,0.30569224063969813,0.2492540619036318,0.24384105145216425,0.22047012807906646,0.21534155884208628,0.20163418940787317,0.19596773146001037,0.1842878655845964,0.15772096118611795,0.127610074098411,0.1267969840419887,0.12346195502809951,0.12015261224085157,0.11310015696977171,0.11157314947716561,0.09784417284757936,0.09242569535519753,0.08984619378058945],"twin_dists":[0.09362693000269712,0.14894991819802683,0.16690480025982612,0.18431025556347091,0.18744813678626424,0.19268065116284666,0.19534354916777208,0.19995411555134368,0.2164881544357999,0.21819212996783532,0.2258466972215777,0.22759775706300178,0.23242092132372702,0.2344804844310127,0.23886006828921671,0.24961105280448087,0.26353808646854926,0.26394688428382845,0.2656447459342655,0.26736438874441604,0.2711536396283884,0.27199791289328196,0.2800221130460674,0.28343304476028097,0.285112573597039],"n_dims_used":44,"mean_confidence":0.9202156933871183},"coverage":{"mean_confidence":0.9202156933871183,"n_dims_used":44,"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}}