{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001465},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003897","490:4900002495","490:4900004573","490:4900001586","490:4900003888","490:4900002191","490:4900003356","490:4900003738","490:4900008430","487:4870004561","490:4900001332","490:4900002343","490:4900001202","490:4900000839","490:4900001863","490:4900001737","490:4900001584","487:4870003678","490:4900002626","490:4900003075","490:4900001466","490:4900002309","490:4900001333","490:4900003752","490:4900001739"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490],"twin_sims":[0.4304106404231093,0.4237465793080349,0.421637466200398,0.41720497851295435,0.4082307220559654,0.40572897161391813,0.40165837047589115,0.39220088846475754,0.3723595964821489,0.3449737641236383,0.33605345337770953,0.33106972226236664,0.3270008740613973,0.32659737371735553,0.3081182947164257,0.30789282460008816,0.306724080158882,0.295749108400197,0.28772333102115955,0.2855836974186997,0.28503004087881545,0.28170002009795536,0.2797579660354955,0.2773591847514885,0.2733262957936838],"twin_dists":[0.16863846337961716,0.1701920488056438,0.1706858538918754,0.17172704093501667,0.17384977420193468,0.17444516616925174,0.17541744413698143,0.17769384446023018,0.18255523405925012,0.1894821066171302,0.19180004327025735,0.19310954359232246,0.19418667567556674,0.19429389460493826,0.19928616897616103,0.19934811786064977,0.19966965491146255,0.20272436429631005,0.2050006901915492,0.20561392590521554,0.2057730571590225,0.20673412017887288,0.20729778335083593,0.20799729943012424,0.20918171914589515],"n_dims_used":45,"mean_confidence":0.9173589918348525},"coverage":{"mean_confidence":0.9173589918348525,"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}}