{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001008},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001741","491:4910001203","491:4910001807","491:4910001200","491:4910001339","491:4910001338","491:4910001270","491:4910001204","491:4910001506","491:4910001267","491:4910001205","490:4900002223","491:4910001006","491:4910001798","491:4910001802","491:4910001864","490:4900002066","491:4910001125","491:4910001070","490:4900002521","491:4910001337","491:4910001744","491:4910001074","491:4910001262","491:4910001916"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,490,491,491,490,491,491,491,491,491],"twin_sims":[0.5609482500308056,0.23695554820423784,0.21956000106426468,0.18331916340616877,0.18048369717392,0.12864517974613834,0.12503773619890388,0.12475678803534634,0.12117541659719513,0.11978839297598406,0.11946184048213017,0.10764561679546425,0.10416622664188592,0.09576644007124134,0.09542723427871326,0.07224306541525127,0.06807585134949821,0.0650987453973901,0.06096415341582004,0.05979829336711019,0.055968866646971566,0.05005600852426675,0.0496585774636598,0.048934688949675245,0.04874259442778928],"twin_dists":[0.13965301906299388,0.22039533775724132,0.22615543332070398,0.239231949011652,0.240328506698092,0.26302050914681474,0.26483823157218583,0.26498145796576483,0.26682908965359325,0.2675558484682414,0.2677278865298468,0.27421119766486024,0.2762248882686718,0.2813120349709838,0.28152470947926783,0.2977339090079888,0.30108103736681624,0.3035758843615842,0.3072002067343878,0.30825857478340785,0.3118588904575758,0.3178404575005217,0.3182632090418647,0.3190405176195252,0.3192483974474816],"n_dims_used":45,"mean_confidence":0.8979215833875868},"coverage":{"mean_confidence":0.8979215833875868,"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}}