{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012797},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012522","490:4900012864","490:4900012796","490:4900012734","490:4900012524","490:4900013201","490:4900012657","490:4900012312","490:4900012929","490:4900012525","490:4900012449","490:4900013159","490:4900012374","490:4900012518","490:4900013119","490:4900012369","490:4900013262","490:4900012375","490:4900012589","490:4900012661","490:4900012441","490:4900012971","490:4900012673","494:4940007532","490:4900012379"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490],"twin_sims":[0.2782316270792597,0.2379076217827281,0.178072599104602,0.12594890090008845,0.1252215697733845,0.11999959344936591,0.11526399699309005,0.11228373071250845,0.10194107248019395,0.09695613842397335,0.09622885072972234,0.09582117269609412,0.09379762592918255,0.09061503595527343,0.08398992164499834,0.08092946153953416,0.07132545829814692,0.06584463801753998,0.06174216134650646,0.05631964593757223,0.05472463876147349,0.05043580813897086,0.046536224779231854,0.04408002497242611,0.04263079312222298],"twin_dists":[0.20774245910293954,0.22008823722273466,0.24127058303320884,0.2643753979952727,0.26474464610290416,0.267444772277791,0.2699721779440635,0.27160393531582494,0.277540311870944,0.28057077300208366,0.281023066413946,0.2812777743930575,0.2825548183584199,0.28460802654373096,0.289072629390261,0.29123046164812905,0.2984572209338328,0.30294221695961465,0.306503143591574,0.3115207827463906,0.3130724789207003,0.31743906549637396,0.3216865075598024,0.32451726200995495,0.3262502153622439],"n_dims_used":45,"mean_confidence":0.9097991943359375},"coverage":{"mean_confidence":0.9097991943359375,"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}}