{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001877},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750000215","469:4690005409","479:4790001647","485:4850002444","475:4750000294","496:4960009844","489:4890005400","469:4690000301","484:4840001481","488:4880002438","490:4900001491","467:4670001333","490:4900001096","490:4900001627","467:4670000590","500:5000001994","486:4860005055","466:4660011120","470:4700002955","487:4870003488","468:4680006067","490:4900008988","498:4980003767","487:4870001053","490:4900012979"],"twin_admin_codes":[475,469,479,485,475,496,489,469,484,488,490,467,490,490,467,500,486,466,470,487,468,490,498,487,490],"twin_sims":[0.007267614175934334,0.0059506827465884244,0.004274438810893038,0.003620552445881254,0.002441794463372368,0.0019049396825324555,0.0008371057597675412,0.0006877163813913457,0.0003304788270719644,0.0002483527175225344,0.00023556925209396718,0.00023474077336626279,0.00023000216043871712,0.00018837642637528846,0.00017004997780225512,0.00011673675735178834,0.00008873929920727601,0.00008742689066743347,0.00007825944699090593,0.00006873192866514301,0.00004521975351947222,0.000043597497205365214,0.000028582611998509286,0.00002454988463257984,0.000022404927802959814],"twin_dists":[0.4075794657648053,0.4157707854985777,0.42898321520819305,0.4354623447381034,0.45046126977040296,0.4596641376660694,0.48890664295389213,0.4956420884908539,0.5199837112626559,0.5291699471960232,0.5308517197259787,0.5309636522378073,0.5316110954520313,0.5379083413037058,0.5411082439811192,0.5527098417734823,0.5610159263934075,0.5614637260201625,0.5647817532823075,0.5686455232426411,0.5809318348493957,0.5819916423659611,0.5941019520910991,0.5984044596263636,0.600975989241353],"n_dims_used":45,"mean_confidence":0.9238666110568576},"coverage":{"mean_confidence":0.9238666110568576,"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}}