{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000560},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000465","494:4940008786","490:4900000939","490:4900002648","490:4900000831","490:4900003870","490:4900000841","490:4900000414","487:4870002752","490:4900000506","490:4900000417","490:4900000505","490:4900005115","490:4900004026","490:4900000771","490:4900000337","490:4900000153","494:4940006267","480:4800004040","490:4900004288","490:4900000295","490:4900000497","496:4960006510","490:4900000250","490:4900000502"],"twin_admin_codes":[490,494,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,494,480,490,490,490,496,490,490],"twin_sims":[0.35173688531767616,0.32001463244939693,0.28067071269733135,0.27307215158287784,0.2597779699974323,0.21670990383758645,0.19877467906145038,0.1826361809052954,0.17309196566993343,0.16229058979509373,0.15338472630675365,0.15046254182683524,0.1477722594329866,0.14365161649201502,0.14325725833181954,0.14308126129489637,0.13690326081479456,0.13443083382846163,0.13400122347932414,0.13300745036291534,0.1298394586401771,0.12472273656971884,0.12209817800075415,0.12054136442959262,0.1197337469724035],"twin_dists":[0.1877458569828943,0.19605357719877683,0.20703257254412016,0.2092567166671273,0.21324172509585795,0.22712784146508636,0.23345518818832034,0.23949497691035604,0.24324574305121355,0.24767352714803362,0.25148784939610686,0.2527746660759476,0.25397572667239193,0.25584708613812046,0.25602825793661277,0.25610923215233616,0.25899986462423846,0.2601840442553517,0.2603914709618232,0.2608732115762382,0.2624272393248734,0.2649988339281518,0.2663491000406075,0.2671605213665833,0.2675846126911519],"n_dims_used":45,"mean_confidence":0.9116567823621962},"coverage":{"mean_confidence":0.9116567823621962,"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}}