{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002095},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002709","490:4900003422","494:4940008450","490:4900002250","490:4900002562","490:4900002867","490:4900002865","490:4900003541","490:4900003544","490:4900002249","490:4900002866","490:4900000986","490:4900002716","494:4940006981","490:4900002864","490:4900002561","490:4900003678","490:4900003014","490:4900002413","490:4900003543","490:4900003679","490:4900003677","490:4900002717","490:4900001256","490:4900002715"],"twin_admin_codes":[490,490,494,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.1169503123299789,0.044649720932512,0.04336170549540784,0.039201706582135384,0.03665572485864386,0.03459537269624319,0.031103118089855074,0.03017763701433037,0.025968245093491243,0.025433848957437232,0.025009362270431684,0.02383791345868454,0.02308056728823683,0.022106372510499697,0.021298136909215386,0.020185302221952143,0.019484284707468366,0.01923684861147946,0.018171955435156387,0.017871060234805433,0.016023953964959117,0.015102141746338999,0.014781472067083905,0.013880786458776077,0.013612042170473897],"twin_dists":[0.26906321149991164,0.32384912264014365,0.3253701229895027,0.3305572328182128,0.33396615988154527,0.33687526092448417,0.3421618338761709,0.3436477032082802,0.35094387940326305,0.3519418577027061,0.35274757284523023,0.3550340908431471,0.3565646873092762,0.3585989284764784,0.3603466209341584,0.3628499126283883,0.3644893207136828,0.3650802858445039,0.367701981663441,0.36846711008222827,0.3734279104621584,0.37609457170422833,0.37705589040018145,0.3798578837631684,0.3807250348383117],"n_dims_used":45,"mean_confidence":0.9188729180230035},"coverage":{"mean_confidence":0.9188729180230035,"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}}