{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001564},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001267","491:4910001624","491:4910001742","491:4910001799","491:4910001190","491:4910001182","491:4910000987","491:4910001385","491:4910001187","491:4910001801","491:4910001124","491:4910001339","491:4910001200","491:4910001202","491:4910001130","491:4910001625","491:4910001194","491:4910001195","491:4910001964","491:4910002014","491:4910001621","491:4910001689","491:4910001330","491:4910001565","491:4910001128"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.3743848195866429,0.3724621208369242,0.34886948189555,0.3432389117188138,0.32570592883737726,0.31479963221699697,0.306099860702853,0.2132679634138515,0.1864111236118599,0.1833202970579376,0.18293925909619083,0.182014565135754,0.17810900153132397,0.1632093125999258,0.15581839047213805,0.1532715538555005,0.14944300149294049,0.14775861795023917,0.13955193452387885,0.12977397908930868,0.12540955123665853,0.12459020074222986,0.12327520485542635,0.11829966642526339,0.11404894647335162],"twin_dists":[0.1820533738996821,0.1825297957422665,0.18847982374146816,0.18993037370742408,0.19453103130588725,0.19746209737586098,0.199841675453066,0.22831372364937025,0.23804974644690913,0.23923151299872045,0.23937817095854955,0.2397349757085242,0.24125629261190695,0.24728878449129202,0.2504298121455443,0.2515373495809993,0.25322795646113627,0.2539818577801553,0.2577488994177142,0.26245965988272896,0.2646490568597169,0.26506649935115106,0.26574084616763716,0.2683430895798898,0.2706334755211248],"n_dims_used":45,"mean_confidence":0.8960901048448351},"coverage":{"mean_confidence":0.8960901048448351,"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}}