{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004519},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009581","490:4900009986","494:4940008960","490:4900002255","490:4900003967","494:4940008948","490:4900001525","490:4900003974","490:4900011747","490:4900003688","490:4900002408","490:4900002115","490:4900008277","490:4900002851","490:4900008155","490:4900004929","490:4900003828","490:4900009281","494:4940008769","490:4900002556","490:4900009044","490:4900005098","490:4900002254","490:4900001657","490:4900004948"],"twin_admin_codes":[490,490,494,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.054196707470818714,0.04635898194679264,0.03782585271441519,0.03605808770409904,0.03165032188763838,0.031406302319676165,0.029472748991399598,0.02859603889772062,0.02806609399891402,0.02306745000153205,0.021391713427273584,0.019789470046610795,0.01807495415076402,0.015519262768232874,0.015038901481938824,0.014431192643137207,0.013971260009273298,0.013382831698097654,0.012986454809682624,0.012828770667355402,0.012449645480535789,0.01215036702689093,0.011570245498592983,0.011122493497565746,0.01050158031254522],"twin_dists":[0.31359432064549975,0.32188653323426947,0.3323753032941177,0.33479537431071965,0.3413010079300787,0.34168329804151426,0.3448058407320068,0.34627992388806406,0.3471899012251668,0.3565915787429905,0.36014135168544187,0.36376938787879937,0.3679474210935679,0.37487065548238,0.3762827233566916,0.37812721157215384,0.3795692895614629,0.38147666009323866,0.3828037416662914,0.38334165707479667,0.3846593409875923,0.3857248616250893,0.38785830129685256,0.38957089295473596,0.39205016509029383],"n_dims_used":45,"mean_confidence":0.9268608940972223},"coverage":{"mean_confidence":0.9268608940972223,"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}}