{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000650","490:4900000649","490:4900000311","494:4940007105","490:4900000255","494:4940006979","494:4940006869","494:4940007428","494:4940006886","494:4940007108","490:4900000752","494:4940007104","490:4900003681","494:4940006995","490:4900013194","490:4900000377","490:4900012386","490:4900000548","494:4940006777","490:4900000460","494:4940007631","494:4940006761","490:4900012603","490:4900012255","490:4900000384"],"twin_admin_codes":[490,490,490,494,490,494,494,494,494,494,490,494,490,494,490,490,490,490,494,490,494,494,490,490,490],"twin_sims":[0.26817692417998806,0.2453080990525754,0.15810152687560916,0.14969960927533218,0.1317763773745902,0.1100786464677979,0.10704490452592322,0.07520595712610648,0.07464647093694574,0.06894973327682559,0.0687218115136762,0.06401452027546033,0.0631255127442463,0.044178442851943486,0.04269091473833874,0.04115804412268806,0.03732750754720166,0.03715779472923516,0.03705232597265295,0.03651516231132557,0.0341820798506031,0.03299715298208732,0.031233544578559005,0.030800976296273284,0.02953921198338904],"twin_dists":[0.21070976679669323,0.21772793007829425,0.24944814480506303,0.2531136539647876,0.2614737545394815,0.2728328968782338,0.2745552107244769,0.29544803597208524,0.29587403753919433,0.300365606687357,0.3005514877437361,0.30450764262657126,0.30528131720098667,0.32440132148246564,0.3261773457325348,0.32806284633711946,0.33304765748181053,0.3332783671101047,0.333422193256328,0.33416015059562376,0.3374764875769601,0.3392352433238562,0.34195548600795167,0.34264271300190785,0.3446956328870414],"n_dims_used":45,"mean_confidence":0.911287604437934},"coverage":{"mean_confidence":0.911287604437934,"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}}