{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010313},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007889","490:4900008549","490:4900010314","490:4900010568","490:4900010573","490:4900008440","490:4900011308","490:4900010569","490:4900010824","490:4900010655","490:4900011171","490:4900008548","490:4900011244","490:4900010659","490:4900007775","490:4900010498","490:4900009942","490:4900010242","490:4900010488","490:4900011311","490:4900010128","490:4900008111","490:4900010581","490:4900008000","490:4900011378"],"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":[0.520497037859985,0.25871106073753575,0.23956484233364034,0.09967854803252255,0.09482326559974323,0.09181125619671608,0.0675838112159023,0.06447369633781713,0.05172372107071173,0.05023535781086279,0.04816625959897474,0.046910915008373716,0.046197808151616046,0.04341764111363941,0.0394781830749657,0.03849166256241225,0.03311752387195767,0.019172649092237138,0.0170552715959454,0.016996175391398503,0.016525819256877943,0.01533469198251315,0.013565056448582984,0.012692362129929698,0.00938604958480945],"twin_dists":[0.14841774131374952,0.21356700925166444,0.2195555890665485,0.27890102638033204,0.2819048622113257,0.283829712762232,0.30148715624647127,0.30411147418128437,0.3160964013826178,0.3176505969173588,0.3198762225321118,0.3212657444617283,0.3220689809388811,0.3253032860197693,0.33019842404720745,0.33148862592824624,0.3390541440399961,0.36523470139106406,0.37059979943323035,0.37075774390376776,0.37203232378526324,0.3754086056470813,0.3808781937082499,0.38381173646841926,0.39685235071508557],"n_dims_used":45,"mean_confidence":0.8871423509385851},"coverage":{"mean_confidence":0.8871423509385851,"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}}