{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011912},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010854","490:4900010671","490:4900010516","490:4900010501","490:4900011390","490:4900011844","490:4900010918","490:4900010757","490:4900010514","490:4900011238","490:4900010416","490:4900010686","490:4900010500","490:4900010504","490:4900011082","490:4900011322","490:4900010600","490:4900011018","490:4900010940","490:4900010688","490:4900011510","490:4900011252","490:4900010508","490:4900009864","490:4900010937"],"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":[0.5726899953144153,0.5269606552112123,0.4159495581598759,0.36981168321871566,0.3435878008221,0.34230710913491574,0.3277720150388752,0.32474966945670125,0.3163775357800144,0.3065018641497102,0.2974013645084887,0.29656887858136816,0.2951003270429562,0.294888127870135,0.29354074766424976,0.27608244517343855,0.2725449480352995,0.2598472295856833,0.2532185865300574,0.24904366835867794,0.24898308970599317,0.24041382465816608,0.23565755739150532,0.21600322688032927,0.20970239685657316],"twin_dists":[0.13712811491400648,0.14700844161130178,0.1720227939058864,0.18318853909924349,0.18984012796533803,0.19017163912612997,0.19398196969786022,0.19478580985384672,0.19703453994472783,0.1997308693534661,0.20226029512434127,0.20249392522424417,0.20290700512182555,0.2029667935119258,0.20334702058914028,0.20837111825822888,0.20941243050623684,0.21322063800457255,0.2152551353674942,0.21655393856019126,0.21657288639268443,0.21928364511665682,0.2208153177881106,0.22737027731222326,0.2295559327894393],"n_dims_used":45,"mean_confidence":0.8912290785047743},"coverage":{"mean_confidence":0.8912290785047743,"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}}