{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001018","490:4900001020","494:4940008408","490:4900001046","490:4900000658","494:4940008405","490:4900000775","490:4900000779","490:4900004287","494:4940008498","490:4900005773","490:4900001155","490:4900001154","490:4900000801","490:4900000677","490:4900001017","490:4900003308","494:4940008664","496:4960007904","490:4900004140","490:4900000672","490:4900006627","490:4900006149","466:4660004069","494:4940008213"],"twin_admin_codes":[490,490,494,490,490,494,490,490,490,494,490,490,490,490,490,490,490,494,496,490,490,490,490,466,494],"twin_sims":[0.46432889282676226,0.4306451447227782,0.42875698610100227,0.36585801557740694,0.3505174267041466,0.3345794951899235,0.3291641818161484,0.3278760935559959,0.3165435310025481,0.2964129979954863,0.29604975864414124,0.2949430035650278,0.29398069411422884,0.28768326812309275,0.2755055857158611,0.266349951766588,0.26051863144161475,0.26046624878721625,0.2573316611704157,0.25372129370720464,0.2510372759135695,0.23539653135808686,0.23312057793228702,0.23212449256281398,0.23165649199715252],"twin_dists":[0.1608727292394843,0.16858397413942203,0.16902304939135537,0.1841755738107414,0.1880576166873547,0.19218622610398792,0.193613078589532,0.19395436153449472,0.19698963120507854,0.20253771466033865,0.2026398072524421,0.20295132952104505,0.20322275560441674,0.20501214737199816,0.20854036455259198,0.21125627202254266,0.2130164028599265,0.21303232534293007,0.21398882259274588,0.21509966780150516,0.21593201452263058,0.2208999583143909,0.2216405792021141,0.22196620960331276,0.22211952100424776],"n_dims_used":45,"mean_confidence":0.9183047824435764},"coverage":{"mean_confidence":0.9183047824435764,"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}}