{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000184},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000318","477:4770000241","477:4770000160","480:4800003854","468:4680005486","500:5000004487","489:4890002608","466:4660009474","477:4770000383","477:4770000374","477:4770000403","500:5000003430","489:4890002602","479:4790001135","468:4680005597","500:5000003248","468:4680001306","478:4780005886","480:4800004948","477:4770000040","480:4800004327","489:4890003263","479:4790000009","500:5000003610","477:4770000397"],"twin_admin_codes":[477,477,477,480,468,500,489,466,477,477,477,500,489,479,468,500,468,478,480,477,480,489,479,500,477],"twin_sims":[0.4235780614319994,0.3712185216533217,0.3134967782960888,0.2484729500881688,0.24384867193479504,0.2369955604995752,0.22831261425445942,0.21936008892298353,0.21487054279893755,0.207037958753344,0.20265179907418324,0.19914000650623448,0.19868983672041926,0.19713282082169864,0.19320257631315227,0.1923428329169961,0.18299070002498694,0.18227659174989205,0.1792735404434095,0.1781981412008148,0.17649369131471077,0.17333421817179137,0.17183079272397792,0.17090312887206655,0.16942861014963206],"twin_dists":[0.17023146587020185,0.18283859131948252,0.19781604308681094,0.21673256547453115,0.21818971406266216,0.22038241521560228,0.22322092063443347,0.22622336294058445,0.2277599784892802,0.23049360076633424,0.23205529483322315,0.23332248233927488,0.2334860314115984,0.23405368555327483,0.23550051807085381,0.23581973477833557,0.23935835924897356,0.23963373973889535,0.24080022216058697,0.2412213080026301,0.24189241952786733,0.24314874194802444,0.2437523080643171,0.24412661702977545,0.24472458999216376],"n_dims_used":45,"mean_confidence":0.9198290506998698},"coverage":{"mean_confidence":0.9198290506998698,"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}}