{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004340},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003920","490:4900004052","490:4900006800","490:4900004479","490:4900007290","490:4900006201","490:4900004478","491:4910001400","490:4900004205","490:4900006802","490:4900003378","490:4900007289","490:4900004339","490:4900005032","490:4900005818","490:4900006553","490:4900004056","490:4900007049","490:4900004200","490:4900007417","490:4900002970","490:4900007663","490:4900005561","491:4910001140","491:4910001809"],"twin_admin_codes":[490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,491],"twin_sims":[0.3416364288954802,0.25748205856032036,0.16276237823348558,0.13742692154483357,0.11814895524053208,0.11699836482755238,0.11498832309717137,0.11035227392351733,0.10032161754212791,0.09731790759652373,0.07352368175239005,0.07125860337814971,0.07061284227866169,0.0700670034128899,0.06752174590343014,0.06563643143790372,0.05088565125928388,0.048110517439933206,0.0453958737599967,0.04362311234604316,0.04302643300796843,0.04136031176496143,0.03852255973524636,0.032574127534618226,0.03215602816117705],"twin_dists":[0.19034551080500872,0.21394276263444975,0.24747575506273756,0.25875111427620057,0.26842320778294526,0.26903745780603844,0.2701217430320872,0.2726793678342367,0.2785118380980637,0.2803467843981465,0.2967367854369705,0.2985102140509789,0.2990241685455974,0.2994615784608091,0.30153855441198124,0.30311850511337335,0.3169668905584807,0.3199372768770197,0.32298477157104116,0.325058389883786,0.32577226338238646,0.32781069325039186,0.3314477955281768,0.33987619530150887,0.3405167066281839],"n_dims_used":45,"mean_confidence":0.8995862325032552},"coverage":{"mean_confidence":0.8995862325032552,"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}}