{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002444},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004402","490:4900001973","490:4900001680","490:4900002741","490:4900001986","490:4900001976","490:4900003855","490:4900001548","490:4900002737","490:4900002595","490:4900002142","490:4900004136","490:4900002138","490:4900003445","490:4900001985","490:4900004673","490:4900001812","490:4900001813","490:4900002886","490:4900003036","490:4900004553","490:4900003994","490:4900003987","490:4900002297","490:4900002581"],"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":[0.7775640460522829,0.6633861883226435,0.6379201241321211,0.5759027552484721,0.5357053901740902,0.5342868453699908,0.5234447719138955,0.5188956438043332,0.49081176823300515,0.4758096235065388,0.471565007579005,0.4495965440356009,0.44235501963868606,0.43298013274336256,0.43009138280295406,0.41867260303776194,0.40913041306112524,0.40727467292715414,0.3968708364362828,0.3957631277597505,0.3940235359996394,0.38766788472641966,0.3740441027225969,0.37300309216963995,0.37105458496866794],"twin_dists":[0.09212656876601255,0.11766341449130302,0.12314706840593848,0.13643825913574986,0.1451077497963679,0.14541563532275914,0.14777453972458088,0.14876752480687225,0.15494789329229441,0.1582911034837444,0.1592431029861591,0.16421853887578894,0.16587799201371134,0.16804207266024596,0.16871266526019613,0.1713817791349213,0.17363605174421204,0.17407711284464067,0.1765666845129618,0.17683348958836673,0.17725318705339335,0.17879394521248881,0.18213771154477665,0.18239562725932013,0.18287933627637268],"n_dims_used":45,"mean_confidence":0.9201663547092014},"coverage":{"mean_confidence":0.9201663547092014,"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}}