{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003314},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003182","490:4900001980","490:4900002450","490:4900003037","490:4900003578","490:4900002291","490:4900004127","490:4900002893","490:4900003311","490:4900004404","490:4900001984","490:4900004538","490:4900003044","490:4900001281","490:4900003711","490:4900001282","490:4900003439","490:4900001415","490:4900003324","490:4900003443","490:4900000765","490:4900012493","490:4900002905","490:4900012565","490:4900007120"],"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":[0.8550216536756916,0.5890177738659672,0.5441715161878367,0.5083288200070335,0.4961759145580276,0.4907734233974395,0.4810882967013747,0.44131856633730626,0.44012094092980025,0.4198808067554399,0.4127057735647457,0.4122244447541642,0.40776105142520114,0.39450633116755984,0.37809688064137625,0.371613373261769,0.36920100844969655,0.367661311714856,0.3630309270787703,0.35201269312669725,0.3397920344155483,0.3384459868546512,0.33554839527093433,0.3279258457074983,0.31021097421093147],"twin_dists":[0.07268992433252515,0.1336255013507327,0.14327349338107104,0.15108224444287138,0.15376006677863974,0.1549563979918429,0.15711103661339962,0.16611635293873375,0.1663920510641374,0.17109793326955353,0.17278875405962368,0.17290263310518472,0.17396142756019214,0.17713662121782048,0.18113695063829843,0.1827404911506737,0.1833406489350407,0.18372472190202613,0.18488464635039847,0.1876754238138359,0.1908246077929694,0.19117513639024428,0.19193226683478118,0.19394116584516913,0.1987124348174026],"n_dims_used":45,"mean_confidence":0.9145909627278646},"coverage":{"mean_confidence":0.9145909627278646,"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}}