{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001354},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001487","490:4900000212","496:4960006638","466:4660001139","466:4660000265","469:4690001752","487:4870004996","469:4690003349","466:4660001574","490:4900007383","490:4900001621","490:4900001070","490:4900000719","490:4900006304","490:4900004451","490:4900005403","466:4660004097","490:4900007013","466:4660004399","490:4900003762","490:4900002658","493:4930001909","490:4900001086","490:4900001478","480:4800005763"],"twin_admin_codes":[490,490,496,466,466,469,487,469,466,490,490,490,490,490,490,490,466,490,466,490,490,493,490,490,480],"twin_sims":[0.41461093779545444,0.24590586961202504,0.20984173361511427,0.1754484709683997,0.15211195551126191,0.1323208382742177,0.10780521337517895,0.10478789954102204,0.09840533577418405,0.09452674540941818,0.09263800867418984,0.08957534605205317,0.08836287230344338,0.08738682366992782,0.08718741184620553,0.08670415942405951,0.08551466439823979,0.0809978401656068,0.07950745505331479,0.07592173667789243,0.07228559916036363,0.07075774712615679,0.06907444203407215,0.06894327687514404,0.06743092907831917],"twin_dists":[0.17233857039850123,0.2175392979164925,0.22950712114809058,0.24230624948527318,0.25204609478950407,0.2612076366108178,0.27412005112751764,0.27586129731551307,0.2796774185750573,0.28209219773299565,0.283296464468341,0.285291130356145,0.28609574374009955,0.2867498547263472,0.2868842065908749,0.28721080986372705,0.28802093807078294,0.29118154263548324,0.292255372308867,0.2949067421371721,0.2977005622700208,0.2989085095564949,0.3002641121250091,0.30037086530959883,0.30161383196900143],"n_dims_used":45,"mean_confidence":0.9111729939778646},"coverage":{"mean_confidence":0.9111729939778646,"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}}