{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001642},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001506","490:4900002092","490:4900002696","490:4900003661","490:4900003252","490:4900002695","490:4900002996","490:4900003251","490:4900001372","490:4900002091","490:4900001373","490:4900004365","490:4900001509","490:4900003657","490:4900003515","490:4900004089","490:4900001510","490:4900001247","490:4900002986","490:4900001647","490:4900003529","490:4900001378","490:4900002992","490:4900001245","490:4900003934"],"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":[0.47404961918456107,0.34786638099505035,0.3204677848623708,0.3204411381440036,0.24373425512088343,0.22628684636195912,0.21480791027148402,0.2092746341682848,0.2027857344732667,0.18947005892464894,0.18241486719230843,0.16901909925298975,0.16348630876150116,0.16107751964800035,0.15997061151554762,0.15266728569671922,0.14134025634078415,0.13736947762350965,0.11811485517434459,0.11433577628899375,0.11163795153494864,0.10439494904618399,0.10075422848289309,0.09063026714577627,0.08585108982666845],"twin_dists":[0.15868550216255553,0.1887373330905873,0.19593179747695946,0.19593895581570042,0.21822599250894642,0.22389335946606817,0.22778156766478125,0.22970592204324736,0.23200726593854432,0.23689364717205172,0.2395803574017893,0.24489132479210682,0.2471730919363139,0.2481839634694511,0.24865217021132752,0.2518021034836493,0.2569142646434952,0.2587783667315438,0.26844134626641697,0.2704768800092061,0.27196190365915607,0.2760909219498754,0.2782511173364667,0.28459806549111116,0.28779090386133066],"n_dims_used":45,"mean_confidence":0.9073116726345486},"coverage":{"mean_confidence":0.9073116726345486,"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}}