{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002883},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003175","490:4900003992","490:4900005092","490:4900004536","490:4900001542","490:4900004421","490:4900004541","490:4900004419","490:4900001820","490:4900002446","490:4900002122","490:4900004124","490:4900001683","490:4900003038","490:4900002432","490:4900001819","490:4900003708","490:4900002129","490:4900003307","490:4900003572","494:4940008004","496:4960007901","490:4900001270","494:4940008394","490:4900004280"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,496,490,494,490],"twin_sims":[0.5288779122610187,0.49964826775275795,0.44509452762595714,0.4026281564141612,0.38135823118824946,0.3697218508216777,0.3587676290680465,0.35687783964637565,0.34531987874884296,0.33863391907165685,0.3292757928159831,0.32487858206881737,0.31607617138336325,0.30545336656239613,0.3012532018970941,0.2772595070698906,0.27268776474158196,0.26779676651214585,0.2670677638756085,0.2583600983568462,0.25725963458367135,0.2546010159924321,0.2536719305414717,0.24591542839129157,0.24160388171051053],"twin_dists":[0.14659115396330316,0.15299312644755692,0.16524900254418884,0.1751854069779021,0.18033540059646688,0.18321090714248342,0.18595925732748522,0.18643768696163368,0.1893928176221716,0.19112615137520594,0.19358354155170324,0.19475143908861434,0.19711610585263262,0.200020048135038,0.20118427238411374,0.20802644637196074,0.20937023015069162,0.2108232930742969,0.21104127485804386,0.2136741969315423,0.21401088711917501,0.2148280744902837,0.21511492521399755,0.21753628395239133,0.2189034962259675],"n_dims_used":45,"mean_confidence":0.9168379041883681},"coverage":{"mean_confidence":0.9168379041883681,"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}}