{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007534},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006319","490:4900007282","490:4900007535","490:4900007165","490:4900007283","490:4900006930","491:4910001914","491:4910001504","490:4900006805","491:4910001205","490:4900002520","491:4910002360","490:4900002371","491:4910001203","490:4900003785","491:4910001384","491:4910001271","490:4900002067","491:4910001070","491:4910002414","491:4910002311","491:4910001265","490:4900002221","491:4910001860","490:4900002521"],"twin_admin_codes":[490,490,490,490,490,490,491,491,490,491,490,491,490,491,490,491,491,490,491,491,491,491,490,491,490],"twin_sims":[0.36562566089101295,0.2557097880963818,0.2431764560128159,0.14346559732645525,0.09743089948294097,0.09094310149187816,0.08521160113194326,0.07783082706290755,0.07758427357811275,0.06603992462925393,0.06334536576614239,0.06295697323235197,0.06226055214877392,0.06216496185530994,0.06174175226101848,0.061068821151626346,0.06095860633576423,0.0593968100325907,0.056847411389019865,0.05487254561931102,0.05317297113220083,0.05311448467857614,0.04972394273458509,0.04846391941546554,0.048328035061290034],"twin_dists":[0.1842337471355422,0.2144866142458967,0.21840301309649376,0.2559324989948111,0.2802769597593148,0.2843937673768706,0.2882287786642224,0.29348287611402274,0.2936651726252438,0.3027772811509841,0.30508916006999115,0.30542899651162003,0.30604267741911306,0.3061273494659895,0.30650350821635786,0.3071060050831867,0.3072052028479605,0.30862696987927873,0.3110153455428761,0.31292702585759086,0.3146183693345859,0.3146773658302554,0.31819348606090353,0.31955119119737596,0.31969936350701517],"n_dims_used":45,"mean_confidence":0.8964970906575521},"coverage":{"mean_confidence":0.8964970906575521,"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}}