{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002035},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001758","480:4800001591","480:4800001358","480:4800001988","480:4800001474","480:4800002428","480:4800001415","480:4800001989","480:4800001928","480:4800001596","480:4800002198","480:4800001425","480:4800002286","480:4800001765","480:4800001424","480:4800001592","480:4800002518","480:4800001981","480:4800001651","480:4800001481","480:4800001482","480:4800002468","480:4800001706","480:4800002100","480:4800001764"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.46151566776898806,0.3609325389903682,0.33692391733968446,0.32148999158291064,0.26907797378521914,0.26165262541834955,0.23608681327036818,0.23354642478126497,0.2019418090726859,0.19836465101504486,0.18460171634006503,0.1715262473718171,0.17067154887828645,0.17040764929373958,0.16710229863841092,0.16628802458571007,0.16158096456925702,0.1466438052996005,0.14518422726815752,0.1367421668531888,0.13066213123418816,0.12284401593094575,0.1227628124492381,0.11844900022525709,0.11208026818880154],"twin_dists":[0.16150865360303573,0.1854127599986842,0.1915724091510592,0.1956574445699292,0.21044108470234862,0.21267220027395073,0.22067626013177227,0.2215016444098913,0.2323102602908443,0.23360433235566289,0.23873987774337213,0.24387503100981092,0.24422028577081278,0.24432713822850258,0.24567564763651176,0.24601079662887146,0.24797178618718219,0.2544843255304895,0.25514647486709285,0.25907653101069583,0.26202096144347603,0.265963156815116,0.2660050898410953,0.26826378065052153,0.27171654687726465],"n_dims_used":43,"mean_confidence":0.9134451400401981},"coverage":{"mean_confidence":0.9134451400401981,"n_dims_used":43,"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}}