{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004208},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003637","490:4900004615","490:4900004062","490:4900002969","490:4900004606","490:4900005295","490:4900007304","490:4900007426","490:4900004063","490:4900002672","490:4900006187","490:4900005940","490:4900002825","490:4900004617","490:4900003112","490:4900004499","490:4900005558","490:4900006439","490:4900004607","490:4900004892","491:4910001684","490:4900004207","490:4900005563","490:4900003807","490:4900004200"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490],"twin_sims":[0.1122244774117679,0.036585190235942984,0.03293648064792359,0.030452437337644373,0.026271633791972848,0.020501322813446337,0.020222713375723886,0.015806344798065294,0.009519363881933605,0.004708895598467734,0.004196196507377291,0.0038429983646582205,0.0037746070191682756,0.0036423854494382264,0.0032429334054315338,0.002891320021871992,0.002666889538790084,0.0025605973390169317,0.0022633601356466964,0.002257660689282036,0.0020370842787759847,0.001834428005238306,0.0017001997842844398,0.0014773628800174594,0.0013207286174440223],"twin_dists":[0.27163671432019176,0.33406342580326215,0.33932673929578566,0.3432024800177092,0.35038516743129783,0.36212704974415066,0.3627638259621601,0.37404501033550674,0.3962524562603126,0.42516003358524984,0.4297090004830366,0.4331465984370323,0.4338452924055118,0.4352294038547917,0.43970817793840344,0.4440887937606764,0.4471472204476239,0.44867884491520554,0.453293768924542,0.4533875789806229,0.4571964095910419,0.46104610909265104,0.46381776245220135,0.4688989402661396,0.4729133568730536],"n_dims_used":45,"mean_confidence":0.9021312289767796},"coverage":{"mean_confidence":0.9021312289767796,"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}}