{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003252},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001372","490:4900004354","490:4900003251","490:4900003254","490:4900002986","490:4900004365","490:4900002992","490:4900003139","490:4900003794","490:4900003515","490:4900003952","490:4900002996","490:4900003125","490:4900001642","490:4900002993","490:4900003654","490:4900002550","490:4900003670","490:4900001506","490:4900003661","490:4900004355","490:4900003657","490:4900001245","490:4900002696","490:4900003265"],"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":[0.5075665009946997,0.4990054723902837,0.41021555459621983,0.36071040262378185,0.35951219431774417,0.35650313298295055,0.3415362419836119,0.2909061547954568,0.27663176519754057,0.2745874089560999,0.266740691836608,0.2664296721414904,0.2573491096966819,0.24373425512088343,0.22986458904566381,0.22779951642289276,0.2094107498065845,0.2083980428577193,0.20607440799067084,0.201891193972444,0.19736159479470472,0.19690361623076647,0.1963548721174656,0.1934604553303589,0.19217481146664106],"twin_dists":[0.15124970460697365,0.15313498722320923,0.17337855054641166,0.18546875764867676,0.1857711139701933,0.18653270438776515,0.19037149958607882,0.20409349489466236,0.20821015272750867,0.2088101989210548,0.21113919399332387,0.21123237661910094,0.21398347802198753,0.21822599250894642,0.22270841991189738,0.22339086479403072,0.2296581723180368,0.2300139400803205,0.23083471886245405,0.23232846025697615,0.23397008568846253,0.23413751013958772,0.23433847142709682,0.2354049622037,0.23588223599573274],"n_dims_used":45,"mean_confidence":0.9096425374348959},"coverage":{"mean_confidence":0.9096425374348959,"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}}