{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001105","490:4900002684","490:4900002834","490:4900001639","490:4900001779","490:4900001775","490:4900003118","490:4900001368","490:4900003668","490:4900004491","490:4900001498","490:4900001776","490:4900003932","490:4900004073","490:4900002824","490:4900001367","490:4900002832","490:4900001634","490:4900001778","490:4900001931","490:4900003808","490:4900003402","490:4900003248","490:4900002547","490:4900004211"],"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":[0.2783394305233388,0.2768358102070884,0.2145182116494221,0.14570248753395448,0.1416254528110954,0.12617748381577548,0.11222668335481598,0.10646400260803231,0.10330058829804051,0.10019712933828616,0.09360636463885819,0.09137663216802294,0.09104229747513355,0.08739859749212968,0.079890476568749,0.07459434315845594,0.07420315856284397,0.06800260983672321,0.06722158130448047,0.06603108645500477,0.0598538806579355,0.058166463474995544,0.05188180173805609,0.049695189421874196,0.043312040131525155],"twin_dists":[0.20771100355005148,0.20815041180715846,0.22788148090742877,0.2549108000257213,0.256781887850759,0.26425968629069796,0.27163549375034984,0.27488930706869796,0.2767339907498072,0.2785870261244732,0.28267664148888644,0.28411156535913146,0.2843291030777243,0.28674192984531766,0.2919778724657151,0.29591385955404764,0.2962134167259201,0.3011413375671092,0.30178767429974523,0.3027847371203242,0.3082077291940074,0.3097688297139628,0.3159335219550678,0.3182241468559131,0.3254295284649528],"n_dims_used":45,"mean_confidence":0.921380615234375},"coverage":{"mean_confidence":0.921380615234375,"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}}