{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003820},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002107","490:4900002106","490:4900004108","490:4900001651","490:4900002571","490:4900004242","490:4900003822","490:4900004247","490:4900003973","490:4900002108","490:4900001939","490:4900002404","490:4900004377","490:4900004383","490:4900002869","490:4900004520","490:4900003971","490:4900001957","490:4900004533","490:4900004518","490:4900001962","490:4900007853","494:4940008968","490:4900001397","490:4900004522"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490],"twin_sims":[0.3969752217290978,0.37864248188509453,0.29128029134499017,0.28824160097055535,0.2650981856415534,0.2563295655021224,0.23093055290784953,0.22806173860364012,0.2034369250766325,0.1907909047284115,0.18541743917834846,0.18473145350345438,0.1762834806248601,0.17543859021710628,0.17172941985506152,0.16974296414135429,0.1673625764418657,0.16460132913164477,0.16046092167082604,0.15197709745518104,0.15124903657946318,0.14931657742903237,0.14279638155186844,0.14216956244588105,0.1409384844625035],"twin_dists":[0.17654155969927873,0.1810026244169516,0.2039872447103832,0.2048525614265477,0.21163206190864517,0.2142961546009289,0.22235773387048932,0.223303982049348,0.23177406044474258,0.23639848150485293,0.2384281643581009,0.23869023634837153,0.24197550693809233,0.24231016990145432,0.24379314108078745,0.24459679520362215,0.245568767558403,0.24670881279132806,0.24844448631588048,0.25210544506280885,0.25242653070593796,0.2532843235542432,0.25624045900865433,0.2565298831479015,0.2571010888942745],"n_dims_used":45,"mean_confidence":0.9250583224826389},"coverage":{"mean_confidence":0.9250583224826389,"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}}