{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010682},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010419","490:4900010680","490:4900011911","490:4900011982","490:4900010595","490:4900011014","490:4900010679","490:4900011713","490:4900011653","490:4900011714","490:4900011094","490:4900008668","490:4900011163","490:4900008557","490:4900009010","490:4900011983","490:4900011313","490:4900010431","490:4900010405","490:4900010773","490:4900010158","490:4900010318","490:4900007900","490:4900009664","490:4900009859"],"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":[0.5069302285261802,0.40395384933767614,0.36197599536942304,0.28265952188911736,0.27788852000013137,0.27395709479586206,0.2558090347355565,0.24858379921054868,0.23959862757575934,0.2029708779104778,0.19603809730824334,0.19519746296985913,0.18322875701334984,0.17855950387703834,0.17809393619941757,0.16949223541856187,0.16593657996006528,0.1654612548023891,0.16297912296697709,0.15727528297975485,0.15331705661301248,0.14165479561186736,0.1384312110126317,0.13483052083686214,0.13413203885801914],"twin_dists":[0.15138952644155082,0.17486861993809447,0.1851499528256685,0.20645650221599324,0.20784262245249774,0.2089957563919702,0.21445609578783092,0.2166978506807496,0.21954475510621516,0.23194090982241994,0.2344546580050012,0.23476361799096282,0.2392667262694019,0.24107961129878747,0.24126220652479055,0.2446987105806197,0.246155814261618,0.24635230212215053,0.24738503566401365,0.24980219824104716,0.2515174440350243,0.25676827935630964,0.2582760314044957,0.25999151174737795,0.26032825717655933],"n_dims_used":45,"mean_confidence":0.8920633104112413},"coverage":{"mean_confidence":0.8920633104112413,"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}}