{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003067},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890005314","477:4770002989","489:4890005195","477:4770003321","477:4770002144","489:4890005122","489:4890005372","477:4770003458","477:4770003242","477:4770002835","489:4890005370","477:4770002477","477:4770003078","477:4770002915","477:4770002685","477:4770003234","477:4770003381","477:4770003157","489:4890005394","477:4770003451","489:4890005264","489:4890005094","489:4890005121","477:4770003068","477:4770002840"],"twin_admin_codes":[489,477,489,477,477,489,489,477,477,477,489,477,477,477,477,477,477,477,489,477,489,489,489,477,477],"twin_sims":[0.6878457212353896,0.578091882172758,0.5416461895621785,0.5205127582959108,0.5132969847171932,0.5111644012717036,0.494451104677377,0.482282854755055,0.47041390490230517,0.46437804279522715,0.4550459469288876,0.4517197416790651,0.4433836003999037,0.432449608809296,0.4290528893454941,0.42501377558453984,0.4222144944978054,0.41788042541642834,0.4151464412563782,0.4145483315395369,0.41220002321472815,0.41131190887729047,0.4109116976252615,0.4015641722254107,0.3976942372998656],"twin_dists":[0.11235317344563686,0.13596841087991643,0.14382006321639418,0.14841430884445894,0.14999245907782616,0.15045991762725652,0.15414159542460773,0.15684456356169726,0.1595017679323525,0.16086163098206283,0.16297637662844516,0.16373390829393106,0.16564165517448692,0.1681650921549715,0.16895418750185778,0.1698958552378257,0.17055065189291227,0.17156807631583074,0.17221219408434932,0.17235334978317746,0.17290841261474596,0.17311869200944419,0.17321351511844243,0.1754399960788444,0.17636857988012805],"n_dims_used":44,"mean_confidence":0.9200794913552024},"coverage":{"mean_confidence":0.9200794913552024,"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}}