{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003403},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002846","490:4900001511","490:4900001118","490:4900001252","490:4900003267","490:4900003126","490:4900003253","490:4900001125","490:4900003528","490:4900002993","490:4900002845","490:4900001783","490:4900001646","490:4900003950","490:4900003131","490:4900001516","490:4900003265","490:4900003396","490:4900003258","490:4900001377","490:4900003519","490:4900003952","490:4900003536","490:4900004493","490:4900003139"],"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":[0.34625735882940667,0.345479999314818,0.2137978571136293,0.16195045503929303,0.13600995881381456,0.13352216617817383,0.1260112537269053,0.12021671527803021,0.11210504946542474,0.1070766363696062,0.1051946651551237,0.10469719430153615,0.09587695300402528,0.09188249741006847,0.08606487391312082,0.08238628930775349,0.07919650067079595,0.07850643770207197,0.059851646657043664,0.054963865632399876,0.04824134707929602,0.04658708695269263,0.04547816166038573,0.04484654979821806,0.04171520313160528],"twin_dists":[0.18915120873192331,0.1893515265272298,0.22813031732554526,0.24781636919365962,0.25942585170882115,0.2606233618934069,0.26434381837682747,0.2673307375079298,0.2717028226127348,0.274537001252656,0.2756243045737561,0.2759142422621899,0.2812428738433009,0.2837836137052926,0.2876450996579286,0.2901953074062058,0.2924814494885542,0.292985712196139,0.30820977188117754,0.3128373828217515,0.3197940724848774,0.3216292253113675,0.3228901793271249,0.3236199444898637,0.3273707758779188],"n_dims_used":45,"mean_confidence":0.9210116068522135},"coverage":{"mean_confidence":0.9210116068522135,"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}}