{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001563","491:4910001059","491:4910001117","491:4910001323","491:4910001129","491:4910001186","491:4910001568","491:4910001916","491:4910001393","491:4910002257","491:4910001065","491:4910001128","491:4910002259","491:4910001456","491:4910001187","491:4910001073","491:4910001130","491:4910001679","491:4910001514","491:4910002413","491:4910001448","491:4910001125","491:4910001855","491:4910001680","491:4910001386"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.7204620724554994,0.5435210464434317,0.47676742227399405,0.46020359177900333,0.42724551902522895,0.42285165767495386,0.4119229071441695,0.3996508116195809,0.39772921865353195,0.3751679273295424,0.3338216436453359,0.3132465822431908,0.3079706609897972,0.30528573649601476,0.3033248447326004,0.2934475358956003,0.2800850704658287,0.2793624403985995,0.2791764788413803,0.27589132450249354,0.27204678988832254,0.2490460335073841,0.2465179183782286,0.21986245674139063,0.2129548718905022],"twin_dists":[0.10516826776357796,0.14341423403846093,0.1580766714070148,0.16180571300326568,0.16937509895687802,0.1704014499921485,0.17297400432107962,0.1758985922480442,0.17636016776815103,0.181859673939084,0.19238514584128394,0.19788410939583026,0.19932672902822224,0.20006633418448136,0.20060887303108685,0.20337336285113303,0.20720267845815069,0.2074128718317019,0.20746701641941478,0.20842716766210315,0.20955973595828015,0.2165531988472242,0.21734646564435275,0.22605273842980705,0.22842223549552207],"n_dims_used":45,"mean_confidence":0.8954187181260851},"coverage":{"mean_confidence":0.8954187181260851,"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}}