{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004262},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002890","490:4900004400","490:4900003306","490:4900004122","490:4900003311","490:4900004538","490:4900003986","490:4900004404","490:4900001984","490:4900001829","490:4900003180","490:4900002134","490:4900001282","490:4900002139","490:4900003571","490:4900002290","490:4900003037","490:4900002601","490:4900003046","490:4900005489","490:4900002586","490:4900006864","490:4900002745","490:4900003853","490:4900004952"],"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":[0.7457743223071713,0.722953708040215,0.7104749086882384,0.6460888047532531,0.5301829953383664,0.511956518170438,0.4885018611582632,0.4872583493083482,0.4709043346495728,0.41600656469443753,0.4102885840832581,0.39499111368853057,0.3884348076596112,0.3722017732100347,0.36444565390815925,0.3624920891909552,0.35984980705661096,0.3401805426327016,0.3389875606135487,0.3388176902796555,0.3356186944769729,0.3325484889225029,0.32483940788401844,0.32231828328858875,0.3158497958626438],"twin_dists":[0.0994760986757112,0.10461308713456025,0.1073837646159081,0.1213917756504219,0.14630729144088012,0.15028622954827162,0.15546057478338438,0.15573687340305456,0.15939153721038563,0.17200935596044384,0.17336123159926356,0.1770196419131403,0.17860739997036765,0.18259439989190082,0.1845294664992824,0.1850201106256196,0.1856858686550746,0.19072357388464622,0.19103401345204754,0.19107826508596365,0.19191385613509376,0.192719875883547,0.19476188293424404,0.1954354947965964,0.19717740456239577],"n_dims_used":45,"mean_confidence":0.9243893093532987},"coverage":{"mean_confidence":0.9243893093532987,"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}}