{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011972},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011846","490:4900011382","490:4900011780","490:4900010772","490:4900011651","490:4900011010","490:4900011712","490:4900011094","490:4900011911","490:4900011913","490:4900012100","490:4900011982","490:4900011077","490:4900011713","490:4900010855","490:4900011782","490:4900011648","490:4900010684","490:4900011650","490:4900011513","490:4900009841","490:4900012167","490:4900011583","490:4900011313","490:4900011172"],"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":[0.3414136510806218,0.3154244202159865,0.29697269569433393,0.27958455368734386,0.2622706164058256,0.24200075262521242,0.2326195360429946,0.19680203350636188,0.1638420442431566,0.16323573647415626,0.16048456123874388,0.15657332240949054,0.15165480997095998,0.14537472231023332,0.14268648353856622,0.14061407571631243,0.13941709570520833,0.12378052269934144,0.12307033423469592,0.12184799848801806,0.11030534315851262,0.10822017805529673,0.10355995173339864,0.10110915394100196,0.09811349633024889],"twin_dists":[0.19040330557375496,0.19729265650998043,0.20238054927700966,0.20734823000738628,0.21248501451330012,0.218776990723993,0.22180426034056208,0.23417468252552465,0.2470247203994225,0.24727774194133026,0.24843448481139563,0.25010406295274273,0.2522474388591776,0.25505977640564986,0.25629113437051765,0.25725222888941107,0.2578121532091063,0.2654810683797916,0.2658463985920577,0.26647896096023266,0.2727056791867537,0.27388355113199003,0.2765811051829407,0.2780378682027467,0.2798564879874598],"n_dims_used":45,"mean_confidence":0.8912788391113281},"coverage":{"mean_confidence":0.8912788391113281,"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}}