{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000073},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000031","490:4900000098","490:4900000182","490:4900000436","490:4900000296","490:4900000506","490:4900000236","490:4900000337","490:4900001741","490:4900000081","490:4900000234","490:4900000434","490:4900000575","490:4900000155","490:4900000078","490:4900000165","490:4900004048","490:4900000091","490:4900000139","490:4900000152","494:4940005354","490:4900004321","490:4900000156","490:4900000249","490:4900000841"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.7281997621369067,0.5822550265522324,0.547716042007707,0.5253470325022501,0.5152871107737514,0.5057662932143743,0.4868784560605777,0.4692489262101242,0.452979516324235,0.4505205556031336,0.4251981479450739,0.4030125337770328,0.38114545177359177,0.3733353986175674,0.3698676353301798,0.3529736050224241,0.35222678934747204,0.3461465663359821,0.3382612219314222,0.3340884209663071,0.32786838156202386,0.3240831112419538,0.31591760776238337,0.3099318772911273,0.30910513765813846],"twin_dists":[0.10344074798077206,0.13507530318666908,0.14250709122865846,0.14735990182933892,0.149556665373278,0.15164542313914323,0.15582132544275537,0.15976376823894614,0.16344675820132792,0.1640075239532321,0.1698527908200069,0.1750935081165038,0.18038759471054716,0.18231325816394717,0.18317460852860085,0.18743025952976508,0.18762076978660863,0.18917974430692247,0.1912233101228885,0.19231509454630183,0.19395640707408213,0.19496364910339598,0.19715903962441714,0.1987888241131358,0.19901533587646567],"n_dims_used":45,"mean_confidence":0.9179185655381944},"coverage":{"mean_confidence":0.9179185655381944,"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}}