{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002430},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002888","490:4900003169","490:4900002140","490:4900003436","490:4900003031","490:4900005233","490:4900005107","490:4900003859","490:4900001682","490:4900003710","494:4940008305","490:4900002774","494:4940008301","490:4900001145","490:4900002283","490:4900003984","490:4900001547","490:4900003174","490:4900003566","490:4900006503","490:4900004291","490:4900006517","490:4900001155","490:4900003187","490:4900012421"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,494,490,494,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5544997585346186,0.49690337438318255,0.4319983934215852,0.3129257034509229,0.290832470701185,0.2774394735313134,0.27026435612412403,0.2624364776238129,0.261076421169459,0.25679829083959177,0.22541876285970303,0.21211076003683882,0.20892520333123074,0.19496275782569736,0.19349072993417066,0.1840773969036215,0.17868430398598742,0.17412835824679215,0.1731082327389786,0.1725498162762476,0.1664951227056325,0.15744583960372038,0.1540756922955686,0.15379527828652803,0.15237254039167086],"twin_dists":[0.14104260585430892,0.1535992666303523,0.16826976927340978,0.19797145039283048,0.2041144298531151,0.20797382668103334,0.21008816789743454,0.21243482319468873,0.2128469789893244,0.2141523071882427,0.2241827354350247,0.22871532843175646,0.22982860013458956,0.23485004443263038,0.2353937499037995,0.23894074898840037,0.2410307222580891,0.24283143545326344,0.24323922646335852,0.24346317906273982,0.24592544461892915,0.2497290021639057,0.2511862090723751,0.2513085036701193,0.2519315222416868],"n_dims_used":45,"mean_confidence":0.9190575493706598},"coverage":{"mean_confidence":0.9190575493706598,"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}}