{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001143","490:4900001550","490:4900004125","490:4900006639","490:4900006640","490:4900006281","490:4900002599","490:4900001549","490:4900004409","490:4900006270","490:4900005758","490:4900003315","490:4900005100","490:4900006388","490:4900006152","490:4900005755","490:4900005625","490:4900003200","490:4900007363","490:4900003180","490:4900002125","490:4900003606","490:4900006267","490:4900003578","490:4900000891"],"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":[0.7581773646890456,0.736546711290181,0.5391931632274164,0.5090340449600628,0.4417567343993043,0.42488484461165876,0.4174113375006484,0.4054875042063779,0.3832785146452992,0.38280358410211346,0.381442129391437,0.34425090712299233,0.33664729190901344,0.33077762999604227,0.3243699725074708,0.31913340187855216,0.3009865516179988,0.2958431819273379,0.2874758309478578,0.28729287570907774,0.28310645007831725,0.2813325346889136,0.2749018801925518,0.2740055337445712,0.2737112502408764],"twin_dists":[0.09663882499813296,0.10156527387058847,0.14435143497257222,0.15092738462202113,0.16601555768179932,0.16992597465392761,0.17167846323386163,0.17450271929060834,0.17986499271496093,0.17998123003197883,0.18031482448765454,0.18966873916722485,0.19164471466017732,0.19318662498162417,0.19488708896651116,0.1962906756738069,0.2012585018269505,0.20269790093457668,0.20507148550275694,0.2051238417758357,0.20632738446207843,0.20684059829431645,0.20871771975447345,0.20898148721856663,0.20906820131234272],"n_dims_used":45,"mean_confidence":0.9152340359157987},"coverage":{"mean_confidence":0.9152340359157987,"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}}