{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002088},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002366","480:4800002029","480:4800001586","480:4800002085","480:4800002043","480:4800002151","480:4800001307","480:4800001366","480:4800001413","480:4800002368","480:4800001292","480:4800002418","480:4800001980","480:4800002137","480:4800002141","480:4800001813","480:4800002419","480:4800001431","480:4800002466","480:4800002329","480:4800001978","480:4800002469","480:4800001581","480:4800001585","480:4800001374"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8897279554443094,0.870617036836482,0.8478543355962113,0.8432883806721191,0.8333372780399747,0.8087435221936377,0.806657222845153,0.798336161696596,0.7032730868858729,0.698402455686629,0.6895609368085744,0.6705874728872855,0.6525590401162906,0.6395869959939704,0.6387865838897253,0.6370751884888926,0.6307454007967299,0.6200455893508809,0.6112655687908083,0.5914888136108383,0.5593510192774068,0.5388033308434498,0.5302678374286537,0.4932780441559753,0.48467704974751524],"twin_dists":[0.06278179760485707,0.06836706526959721,0.07461770957310417,0.07582852729837637,0.07842458267158638,0.08462266061706879,0.08513596198998606,0.08716610463974295,0.10897235752831483,0.11004282373805595,0.11197865471242342,0.11610534021607688,0.11999919958145701,0.12278911674334726,0.12296101435525549,0.12332847328359176,0.12468667547531753,0.1269800964461728,0.1288605955946567,0.13309600667704055,0.13999699395647988,0.14443592201197916,0.1462888429892183,0.15440129718275755,0.15631110665387862],"n_dims_used":42,"mean_confidence":0.9114122844877697},"coverage":{"mean_confidence":0.9114122844877697,"n_dims_used":42,"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}}