{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011638},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011575","490:4900011574","490:4900011901","490:4900011585","490:4900011639","490:4900011645","490:4900011305","490:4900011640","490:4900011633","490:4900011978","490:4900012119","490:4900011003","490:4900011843","490:4900011573","490:4900011434","490:4900011702","490:4900011703","490:4900011906","490:4900011701","490:4900011454","490:4900011164","490:4900011634","490:4900011770","490:4900011697","490:4900011905"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7199733832203203,0.3164512269116239,0.14103501226077222,0.13586425842620342,0.07206109987830824,0.07170715750265001,0.057424456509205406,0.05728445901318982,0.05218818626471815,0.04166623651401024,0.03911888521990771,0.03897435143527008,0.03728110583648261,0.03537578908655154,0.03518298340498393,0.031082715911824366,0.027861741932842368,0.027802350413735626,0.02280232267168022,0.022295469839849917,0.021677741624714583,0.02111411261900788,0.02081332536021541,0.02005776002412673,0.019477220046854735],"twin_dists":[0.10527703733782848,0.19701460172786964,0.25705616722959823,0.25949553021677296,0.2978767509441004,0.2981554326133291,0.3104671279910932,0.31059971245929235,0.31561900737474496,0.3274312860533107,0.3306651341285172,0.330853899265272,0.33311064801960816,0.33575645270008886,0.33603089165524336,0.34219417913877176,0.3475447486634377,0.34764829905129635,0.35713797378607415,0.35819806310640134,0.35951872729625384,0.36075259587628805,0.3614228407980605,0.3631444488871622,0.3645061025108661],"n_dims_used":45,"mean_confidence":0.8906575520833333},"coverage":{"mean_confidence":0.8906575520833333,"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}}