{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001680},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001136","491:4910001252","491:4910001248","491:4910001568","491:4910001322","491:4910001323","491:4910001186","491:4910001563","491:4910001117","491:4910001393","491:4910001382","491:4910001187","491:4910001073","491:4910001065","491:4910001007","491:4910002413","491:4910001128","491:4910001504","491:4910001130","491:4910001059","491:4910001456","491:4910001001","491:4910001253","491:4910001129","491:4910001916"],"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":[0.47471064220716036,0.4268712608263536,0.33898228246113604,0.31663449835686563,0.26132872217112146,0.2582027155597022,0.25381718991108543,0.24775255398371646,0.24450260314252054,0.23778685444185907,0.21986245674139063,0.21827152228002278,0.2137983293030545,0.1972545261260544,0.17121912201230466,0.1565969771997795,0.1554826343014054,0.15388701616455225,0.143562904714851,0.14176233353936699,0.14039800111133757,0.13246452330152375,0.1323694760605191,0.1261689567219236,0.12268383027916124],"twin_dists":[0.15853731743962135,0.16946234994965936,0.19103538824398258,0.19696502632943813,0.21277041935062602,0.21372229314277544,0.21507003311692807,0.21695841535877192,0.21798258091514555,0.2201271474593787,0.22605273842980705,0.22659398550732346,0.22813015402889641,0.2340092029677319,0.24399895181391656,0.2500938745918045,0.25057505987616313,0.2512684768316604,0.25588780893058666,0.2567184237421787,0.2573530409015334,0.2611375447360179,0.2611839039023955,0.26426399996238753,0.26604589606537554],"n_dims_used":45,"mean_confidence":0.8956448025173611},"coverage":{"mean_confidence":0.8956448025173611,"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}}