{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002390},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002232","490:4900002385","490:4900002087","490:4900002235","490:4900002386","490:4900002076","490:4900002243","490:4900002077","490:4900002239","490:4900004341","490:4900002393","490:4900002074","490:4900002387","494:4940005192","490:4900002080","490:4900002688","490:4900006554","490:4900006067","490:4900004204","490:4900006793","490:4900006069","490:4900000860","490:4900002392","490:4900013013","490:4900004750"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3452681357826362,0.24067669335887848,0.13444232437925105,0.10028329360734739,0.06040890772905021,0.03467750006921389,0.025424430556907,0.02118712458617462,0.010364975968956388,0.009648995253263341,0.009300114044079436,0.008228229127398262,0.007524734093956606,0.007370998915667883,0.006051868794788926,0.006036992023198811,0.0050402489114050935,0.004786921048831515,0.0034023841277845135,0.0031891221015648953,0.003068704511775824,0.0029251447244604,0.0028739407768831916,0.0025484752000392067,0.002130378625171021],"twin_dists":[0.18940616300902188,0.21919957012470237,0.2601785031673059,0.27853497709478914,0.3077021647958288,0.3367565173677426,0.3519596082320993,0.3605911574855247,0.3926130820126027,0.39567628262939153,0.3972430932661118,0.4024091130467559,0.4061380929136743,0.4069944859337375,0.41508618255612023,0.4151861850052153,0.4224535718779259,0.4245075458174962,0.437863080045696,0.4403495800305648,0.4418214684883525,0.44364681253043775,0.4443177271873669,0.4488572034056584,0.4555413340449249],"n_dims_used":45,"mean_confidence":0.9151202731662327},"coverage":{"mean_confidence":0.9151202731662327,"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}}