{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004138","490:4900003699","490:4900003185","490:4900004822","490:4900003991","490:4900004550","490:4900002886","490:4900004130","490:4900003447","490:4900002898","490:4900004418","490:4900002142","490:4900003043","490:4900002288","490:4900002594","490:4900001548","490:4900002297","490:4900007622","490:4900002296","490:4900001985","490:4900001540","490:4900004552","490:4900003179","490:4900003858","490:4900004544"],"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":[0.7536493392114396,0.6317741002618292,0.5970376253667654,0.485696274906393,0.48259542025405816,0.4746355802158616,0.470846538629144,0.46555797022091727,0.46012907066481823,0.4494341733935922,0.4433200273749981,0.4423345524888498,0.442321193177518,0.4392220662826501,0.4324325845224711,0.4299695529622848,0.42577417192458566,0.41311829310704484,0.4106411159648675,0.4065607388029866,0.4030584202180339,0.40173866043442774,0.39451256099299165,0.3924925616824174,0.38732598602070345],"twin_dists":[0.09767875412091764,0.12446603123805607,0.1319073660170016,0.15608425886684593,0.1567748731164475,0.1585541410265234,0.1594045256398214,0.16059532107490151,0.16182259390677767,0.16425563593090275,0.16565625620059204,0.16588269690096052,0.1658857679188681,0.1665991681229864,0.16816904080561754,0.1687409868747356,0.16971829704817046,0.17269120078378902,0.17327764765346168,0.17424703334228597,0.17508253999256027,0.17539822385677337,0.17713511752318603,0.17762326341098236,0.17887716431711223],"n_dims_used":45,"mean_confidence":0.9209703233506944},"coverage":{"mean_confidence":0.9209703233506944,"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}}