{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010982},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007773","490:4900010750","490:4900008438","490:4900010229","490:4900010915","490:4900010746","490:4900008120","490:4900011075","490:4900010483","490:4900009730","490:4900008344","490:4900010834","490:4900010916","490:4900010218","490:4900010037","490:4900007788","490:4900007999","490:4900008891","490:4900007998","490:4900010742","490:4900008227","490:4900011220","490:4900011073","490:4900010650","490:4900008012"],"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":[0.35249173172979625,0.34018208283136764,0.253349709276313,0.24558339724104236,0.2147396046994396,0.2040740255584817,0.19399986799926588,0.17039602021864403,0.16822189858236322,0.16269161335827126,0.15749826880466083,0.1550448390629694,0.15350347441515322,0.14931308183300215,0.14776576488581483,0.1358082775355873,0.1292065204035181,0.1268312096494835,0.12280983557717128,0.12173265848054889,0.12150761929038406,0.11651085263195467,0.11385817675569401,0.11323837541592377,0.10839226034133265],"twin_dists":[0.1875531598072327,0.1907231734699008,0.2152145653555053,0.21764102040428204,0.22780511715912988,0.2315463959992516,0.2352053714534173,0.24433184954961204,0.24521674455872952,0.24750539294542132,0.24970651327414378,0.25076479456738676,0.2514359392757275,0.2532858825909447,0.2539786455675129,0.2595223169322399,0.26274114159370227,0.2639296366716919,0.26598080478601105,0.2665388990823756,0.2666559687842855,0.26929911693041503,0.27073779468993237,0.2710776541381103,0.27378568279560406],"n_dims_used":45,"mean_confidence":0.8862503051757813},"coverage":{"mean_confidence":0.8862503051757813,"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}}