{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008778},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008776","490:4900011824","490:4900009525","490:4900009629","490:4900011688","490:4900006927","490:4900011064","490:4900004616","490:4900005567","490:4900011896","490:4900010050","490:4900011643","490:4900009526","490:4900005566","491:4910005360","490:4900011961","490:4900011364","490:4900009756","490:4900005158","491:4910005752","490:4900011365","490:4900008103","490:4900008009","490:4900011161","490:4900008216"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,491,490,490,490,490,490],"twin_sims":[0.06898689979438186,0.06250560341805199,0.008024752783702228,0.0055920306459078285,0.0055533378573035495,0.0051220201543702385,0.005063035803230777,0.004938660597893268,0.0032140044633564807,0.002640574001892071,0.0020348512722067813,0.0007413933193528304,0.0007207624778898734,0.000660660185262222,0.0006267226584041965,0.000524397923987266,0.0005150250591799982,0.0005143439366309822,0.000455475867314494,0.00043055052219378434,0.0004205783529409534,0.0004150737415177313,0.00037889018216054235,0.00034615035282923673,0.0003435996411535597],"twin_dists":[0.30033534301511633,0.30582610152726075,0.40345732276020674,0.41828508973095957,0.41856498616587956,0.4218105160916229,0.4222734300596076,0.42326576086285256,0.44005177729659156,0.4475211367330462,0.4572368713546449,0.4930778352497409,0.49404230760574214,0.4970061255121667,0.4987926509374679,0.5047845505031642,0.5053868388059055,0.5054310049029077,0.5094712382950006,0.5113310765005654,0.5121035112151479,0.5125372652136142,0.5155302018384261,0.5184786466029095,0.5187192034484694],"n_dims_used":45,"mean_confidence":0.887363518608941},"coverage":{"mean_confidence":0.887363518608941,"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}}