{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000367},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000515","491:4910000508","491:4910000509","491:4910000750","491:4910000687","491:4910000069","491:4910000452","491:4910000460","491:4910000052","491:4910000516","491:4910000749","491:4910000513","491:4910000356","491:4910000328","491:4910000468","491:4910000453","491:4910000567","491:4910000070","491:4910000087","491:4910000692","491:4910000401","491:4910000044","491:4910000882","491:4910000410","491:4910000518"],"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":[0.760624116894217,0.6786736090798163,0.5345263827538637,0.49745968069176927,0.4686332072988814,0.461093033341867,0.42310981976948214,0.40552635055419683,0.40244537119122537,0.38040644717550837,0.3688312021103588,0.35671070327750903,0.34998324865555697,0.3431681532381434,0.3410809431630164,0.3374599252168699,0.3130779597315864,0.3007406274998341,0.2972553205778011,0.2852852642580744,0.2827832803092941,0.27760597599972037,0.2677779295042444,0.2582831633227591,0.25756805564096175],"twin_dists":[0.09607481789368179,0.11435077423050229,0.14536363383941742,0.15347634412323252,0.15990233063828807,0.16160430705778414,0.17034102406627444,0.1744934593343915,0.17522912204231483,0.1805689793470963,0.1834328230208007,0.186480062744118,0.18819436011326188,0.18994868247405403,0.19048965683589705,0.1914323964069156,0.19793000092678276,0.20132699559775347,0.2023012532710393,0.20569967811034928,0.20642073601389788,0.20792516221506466,0.21082892095870293,0.21369770598271398,0.21391643322988993],"n_dims_used":45,"mean_confidence":0.8904390970865885},"coverage":{"mean_confidence":0.8904390970865885,"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}}