{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004155},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003814","499:4990003430","472:4720004663","499:4990002666","496:4960005674","499:4990003178","499:4990002749","496:4960009164","496:4960006203","478:4780003207","488:4880000092","496:4960004950","488:4880002275","478:4780005231","468:4680001452","499:4990003747","488:4880000923","473:4730002730","499:4990002982","467:4670000663","496:4960002375","467:4670002011","485:4850002412","496:4960004784","500:5000006409"],"twin_admin_codes":[499,499,472,499,496,499,499,496,496,478,488,496,488,478,468,499,488,473,499,467,496,467,485,496,500],"twin_sims":[0.4746482120247463,0.41538448636628816,0.39482387252916523,0.36620215373525766,0.360361237858087,0.35664465044831806,0.29789186497152387,0.297574227657137,0.27999832675463177,0.2762584748798189,0.26996869458183453,0.2523426377756755,0.2447024857929421,0.2387665770308017,0.23606879904294253,0.23519827638905572,0.23403387860462344,0.2318386786771892,0.22997594881202824,0.22307698104570892,0.21956889943554236,0.21909800010296032,0.20637282573382226,0.20396917157146324,0.1955538620134281],"twin_dists":[0.1585513098075722,0.17215603913138303,0.1770599901483986,0.1840894480053508,0.1855568130241008,0.18649681260783174,0.20212282027683484,0.20221183077712127,0.20722789242647566,0.20831951552502725,0.21017602947990763,0.21552650164572335,0.21791933928456042,0.21981185952907575,0.22068209252529272,0.2209642856849878,0.22134281391127356,0.22205981462101987,0.2226717341208914,0.2249670829138897,0.22615241064144298,0.22631248293657721,0.2307289561980402,0.23158383147640355,0.2346325174858899],"n_dims_used":44,"mean_confidence":0.9363639137961648},"coverage":{"mean_confidence":0.9363639137961648,"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}}