{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003264},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003387","490:4900002835","490:4900003933","490:4900003804","490:4900003656","490:4900002837","490:4900002376","490:4900002842","490:4900003250","490:4900003531","490:4900002988","490:4900003382","490:4900001237","490:4900004220","490:4900003659","490:4900002976","490:4900001109","490:4900003664","490:4900003126","491:4910001208","490:4900001921","490:4900003526","490:4900002686","490:4900003809","490:4900003802"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490],"twin_sims":[0.26890497530000035,0.21641032721786352,0.15855646243171928,0.11629135716596578,0.09923440186289655,0.09509206515883681,0.08558062282798587,0.07162904412107475,0.0712124744785984,0.06644541397735584,0.05053365997538121,0.04918287508766828,0.0461790789860879,0.041413555872450554,0.03736147205082729,0.03464354231029183,0.03192451260069048,0.02865016468398891,0.02774127188328583,0.026067684110527636,0.025464374599616264,0.02527298159122725,0.024959556739601322,0.02476619762374564,0.023958496702840146],"twin_dists":[0.2104926274751667,0.22723055049917526,0.24925377608598373,0.26941719959319205,0.27917097495203985,0.28173543839367415,0.28797578160378334,0.29821708638521577,0.2985468020178267,0.3024360786833439,0.31733605847412394,0.3187729425214465,0.32209021678558525,0.32774449038439296,0.333001592583614,0.3368055860064953,0.3408744462970116,0.3461878013692172,0.3477549894895022,0.3507601376915317,0.3518843660920586,0.35224582173987645,0.35284288158990657,0.3532144623075736,0.3547942920855727],"n_dims_used":45,"mean_confidence":0.9191782633463542},"coverage":{"mean_confidence":0.9191782633463542,"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}}