{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002112},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004514","490:4900004105","490:4900008296","490:4900003003","490:4900004377","490:4900004379","490:4900003689","490:4900004513","490:4900002557","490:4900004526","490:4900002407","490:4900001944","490:4900001524","490:4900002714","490:4900003009","490:4900009602","490:4900011944","490:4900003693","490:4900007726","490:4900002098","490:4900010207","490:4900011878","490:4900003687","490:4900009911","490:4900004113"],"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":[0.15972973146991232,0.1123145845583566,0.10631815499721821,0.09128699079166153,0.08308929445779516,0.07019599641504354,0.06904727712081532,0.0688953296096637,0.06871235643391223,0.06764560489631759,0.06665690810476275,0.0626707199381572,0.062345727305965964,0.062163987060867835,0.05494363332785121,0.054327886930325836,0.05262829077513698,0.051979405201951184,0.051322988724584157,0.05132022304099553,0.04917459862483238,0.04898916794154394,0.04855687311127066,0.04644037959796224,0.04584780583854708],"twin_dists":[0.24875437094092598,0.2715868722099436,0.27497341125002256,0.2841698294171793,0.28970101433004586,0.29935796054060126,0.3002862076657254,0.3004099300218245,0.30055920963544774,0.30143602120362806,0.3022587885986917,0.3056805639718236,0.305967320653635,0.30612821346993563,0.3128572329491811,0.313464262533863,0.3151698976586795,0.3158331614223774,0.31651116032984095,0.3165140321613055,0.31878184739127835,0.31898168577190644,0.3194500313952137,0.32179459336026,0.3224670243223077],"n_dims_used":45,"mean_confidence":0.9111028883192275},"coverage":{"mean_confidence":0.9111028883192275,"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}}