{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009590},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009385","490:4900008420","490:4900009498","490:4900008408","490:4900010469","490:4900011049","490:4900010897","490:4900009402","490:4900009405","490:4900007860","490:4900008532","490:4900010463","490:4900008181","490:4900010886","490:4900010107","490:4900009378","490:4900002571","490:4900009782","490:4900007853","490:4900008632","490:4900008072","490:4900002270","490:4900010813","490:4900008968","490:4900001810"],"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":[0.5581944592478872,0.4540954537068999,0.34362153291190906,0.31859596352682823,0.31343097433323075,0.2681407969706903,0.25200195653650775,0.23314032382626385,0.21145508435832622,0.2006339414030937,0.18574059750453778,0.1855444098172092,0.18419397107043756,0.18366646932763767,0.17874907580855254,0.17357096361476532,0.16623195346848105,0.16456645168118697,0.16016312075639222,0.156111319424685,0.15422521926790908,0.15404935626011554,0.15358052003128292,0.15184420342653746,0.14716522810633906],"twin_dists":[0.14024615251606684,0.1631926398791875,0.18983140520688505,0.1964354562249521,0.19783394218227673,0.2107205511517113,0.2156322056492382,0.2216341333174782,0.22894353823258237,0.2327815486508135,0.23830494215701264,0.2383797316984257,0.23889605362553956,0.23909846079010635,0.24100535817590557,0.2430540395114181,0.24603391858551427,0.24672330076624158,0.2485705727035331,0.25030327819238873,0.2511210637883036,0.25119768784272867,0.25140227493073947,0.25216396883786024,0.2542489599977451],"n_dims_used":45,"mean_confidence":0.9208501180013021},"coverage":{"mean_confidence":0.9208501180013021,"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}}