{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000026},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000423","490:4900000286","490:4900000030","490:4900000622","490:4900000285","490:4900000835","490:4900001191","490:4900000239","490:4900000046","490:4900000144","490:4900000288","490:4900000428","490:4900000433","490:4900000489","490:4900000589","490:4900000163","496:4960008159","490:4900000608","490:4900000207","490:4900000025","490:4900001457","490:4900000348","490:4900000510","496:4960004364","496:4960008386"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,496,496],"twin_sims":[0.5803595991315014,0.5543840407051591,0.5216940957448273,0.48828192426117717,0.47576302006327037,0.4612555157141322,0.46094366424672734,0.44666600702885173,0.4421248065890979,0.4236397156661243,0.40466452393091495,0.39572030049488954,0.3941303278232016,0.3940939439843953,0.3756241759759233,0.3756084554854424,0.3738874234315941,0.3661417828791192,0.3636276618290398,0.35478586751381264,0.35475766005408194,0.3518010191232297,0.35168293807080625,0.3454862942787249,0.34543269537704346],"twin_dists":[0.13548185921965072,0.14106756347522995,0.14815643956724026,0.15550942751427443,0.15830154065768348,0.16156752929016813,0.16163812069361072,0.1648888609842509,0.16593091711000646,0.17021704391659587,0.1746989894954403,0.1768438119485426,0.17722739759470832,0.17723618366711222,0.18174691320681371,0.18175079737164346,0.18217650704237534,0.18410455378759744,0.18473474555021555,0.18696882587694647,0.1869759986169851,0.1877294765346099,0.18775963688307978,0.18934990342034233,0.18936372397627352],"n_dims_used":45,"mean_confidence":0.9160612318250868},"coverage":{"mean_confidence":0.9160612318250868,"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}}