{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910004516},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910003769","491:4910003878","491:4910003773","497:4970003418","491:4910003931","491:4910003825","491:4910004430","491:4910003713","491:4910003717","491:4910003708","497:4970002783","497:4970002537","491:4910003768","491:4910003876","491:4910003934","491:4910003868","491:4910003944","491:4910003826","491:4910003729","487:4870001426","497:4970003534","492:4920003095","497:4970003419","491:4910003581","491:4910003728"],"twin_admin_codes":[491,491,491,497,491,491,491,491,491,491,497,497,491,491,491,491,491,491,491,487,497,492,497,491,491],"twin_sims":[0.3360938314686001,0.32690126086173554,0.21415945790047528,0.18876042913925062,0.15870751619769002,0.15133046527090355,0.14364904666387268,0.1357555577989069,0.13002495291692853,0.12737926162895466,0.12534046461731593,0.10966895615365697,0.1083904888506485,0.10250610212555032,0.09929837533522304,0.09787847334630119,0.08950739607670358,0.07872905280416345,0.07715184571582742,0.07572042041697423,0.0703641138950547,0.06939114020111126,0.06776339008558864,0.06750667085337841,0.06688699205923881],"twin_dists":[0.19178947698616802,0.19421313829363143,0.22800533670424605,0.23716067430081714,0.24918932905499402,0.2523905630948216,0.2558482655450202,0.2595475507620278,0.2623354634560411,0.26365393118377267,0.26468417499980423,0.273063321907551,0.2737866896816193,0.27720418292807497,0.2791320341012307,0.28000099950424684,0.2853359936194836,0.29282264881194836,0.293986029355445,0.2950585661150964,0.2992231463316013,0.30000703425902625,0.3013386577518924,0.3015510443255849,0.3020664352864704],"n_dims_used":45,"mean_confidence":0.8905288696289062},"coverage":{"mean_confidence":0.8905288696289062,"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}}