{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001381},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001549","480:4800001380","480:4800001437","480:4800001325","480:4800001389","480:4800001333","480:4800001436","480:4800001330","480:4800001392","480:4800001943","480:4800001331","480:4800001558","480:4800001265","480:4800001607","480:4800001610","480:4800001324","480:4800001322","480:4800001774","480:4800001660","480:4800001387","480:4800001326","480:4800001391","480:4800002112","480:4800001332","480:4800001713"],"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":[0.6665529656899407,0.42954452306437485,0.350536200211487,0.3481704106812303,0.2993177489046509,0.240149519295397,0.22847879850284109,0.19599253302563166,0.19570045912718384,0.19516991707973402,0.19272655816422693,0.1911422342583261,0.18350995845813825,0.1710469610652876,0.15882200149175507,0.15536678157833345,0.15238455485773025,0.1500460064270541,0.1394826966689872,0.13680786883387083,0.13470476598639247,0.1346844776209861,0.12300259059408733,0.12148789651490084,0.11488848380150808],"twin_dists":[0.11697873355010242,0.16883981861922476,0.18805281287003733,0.18865924342739254,0.2017239338144475,0.21936823979854256,0.22316593259524958,0.23447138076174742,0.23457864020792915,0.2347737575905965,0.2356771377788221,0.23626717656379592,0.23915859422839514,0.2440684860462509,0.24914051370507592,0.25062523085566896,0.25192624325730817,0.2529595847115887,0.25778137365923903,0.2590452545555269,0.260052042644754,0.26006181222870084,0.2658813305627068,0.266666236829908,0.27017597819232675],"n_dims_used":43,"mean_confidence":0.9203093772710755},"coverage":{"mean_confidence":0.9203093772710755,"n_dims_used":43,"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}}