{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000249},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000469","491:4910000188","491:4910000248","491:4910000137","491:4910000250","491:4910000144","491:4910000614","491:4910000104","491:4910000073","491:4910000295","491:4910000318","491:4910000457","491:4910000406","491:4910000183","491:4910000156","491:4910000558","491:4910000136","491:4910000504","491:4910000619","491:4910000359","491:4910000101","491:4910000100","491:4910000115","491:4910000193","492:4920006619"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492],"twin_sims":[0.6325474591636046,0.624556796203057,0.6196685662888849,0.5016368521606346,0.46434425003066143,0.4349793693773279,0.4338696828084057,0.4336267905041564,0.3715373808301306,0.362176713361311,0.35915133912472,0.33620036680813636,0.3355399099633293,0.33464689370496603,0.32408522274765994,0.32342824285879496,0.3179909830310144,0.2920346846764268,0.2915260447066713,0.2914007447705938,0.2883325223015283,0.28536857224245293,0.27821525124790664,0.27661890473815887,0.26928492193874537],"twin_dists":[0.12430013368819767,0.12601346207410288,0.1270608664870631,0.1525545801043273,0.16086926147812095,0.16757902687559217,0.167835937156228,0.16789220573991162,0.18275936732113682,0.18509944374321874,0.18586227313712905,0.19176160173369247,0.19193448919830952,0.19216854730831676,0.19496308542794583,0.19513856772588303,0.19659859653344983,0.20377325273419203,0.20391749793120847,0.2039530546906722,0.20482659127643826,0.20567573485258822,0.20774723799334996,0.2082139189536284,0.21037945398646507],"n_dims_used":45,"mean_confidence":0.8901312934027777},"coverage":{"mean_confidence":0.8901312934027777,"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}}