{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010757},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010501","490:4900010671","490:4900010586","490:4900011082","490:4900010508","490:4900010500","490:4900010416","490:4900010775","490:4900010587","490:4900011238","490:4900010918","490:4900011160","490:4900010927","490:4900011912","490:4900010854","490:4900011087","490:4900010600","490:4900011510","490:4900010415","490:4900010672","490:4900011018","490:4900011159","490:4900010678","490:4900010427","490:4900010516"],"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":[0.7835638062009191,0.5929305882729933,0.5858843243883077,0.5657207851416606,0.5130682639878591,0.4149139161968554,0.38474287161065746,0.3740286135749024,0.369245043141947,0.359878498884592,0.3560104654913244,0.3377122310502011,0.3337333671641696,0.32474966945670125,0.3209177515674676,0.30915781108619256,0.3080626686345771,0.3074336540654372,0.30737557189698117,0.295518493592781,0.2954194341077738,0.2939074645847691,0.2761391271771626,0.2698402638340159,0.26778588406023596],"twin_dists":[0.09070834056142066,0.13278711300728616,0.13429711629769317,0.13862599030124628,0.15004257079861685,0.17226706026305447,0.17950703016808692,0.1821415464704036,0.1833296763712834,0.18567862601439653,0.18665771244880566,0.1913665321558461,0.19240833248754302,0.19478580985384672,0.1958109693659168,0.19900089394545925,0.1993014500570254,0.19947435773293576,0.1994903340131243,0.2027892584187125,0.2028171425480536,0.20324343199809886,0.20835449985426271,0.21021421370553198,0.2108265443665022],"n_dims_used":45,"mean_confidence":0.8914610120985244},"coverage":{"mean_confidence":0.8914610120985244,"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}}