{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002113},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001809","490:4900003427","490:4900002565","490:4900004376","490:4900003554","490:4900009815","490:4900004118","490:4900003552","490:4900009905","490:4900010009","490:4900001664","490:4900001802","490:4900002415","490:4900010200","490:4900002417","490:4900010194","490:4900001948","490:4900008738","490:4900010196","490:4900008188","490:4900004103","490:4900010003","490:4900003412","490:4900003965","490:4900003683"],"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":[0.7628907910962821,0.5614937537026754,0.39842751234212115,0.3857612211110493,0.37255405896726757,0.3609128499942541,0.3449242441185645,0.33810952487083634,0.3065276902235289,0.27687479053247,0.27412986225000047,0.26528197595847886,0.26085129550588915,0.23591473060069762,0.2337561679006837,0.22336578127045875,0.2170346275696674,0.2162160286721,0.21574147985999037,0.21407613371216863,0.2072995847005168,0.1968496554297874,0.19142492626215224,0.18689645249344322,0.18628539070317274],"twin_dists":[0.09555098059279318,0.13953557155149315,0.1761923169120019,0.1792584770823745,0.18250698701665224,0.1854177226257973,0.18949488543349524,0.19126287267409414,0.19972375366038367,0.20813900208840994,0.20894486954107738,0.21157681750558466,0.21291533160553158,0.2207319865302407,0.22143327570952326,0.22487005779704897,0.2270166186811718,0.22729721641816453,0.2274602090311939,0.22803412351801294,0.23040116660810783,0.23415725447845157,0.23616164625392413,0.2378654369555824,0.23809754998143373],"n_dims_used":45,"mean_confidence":0.9165922376844619},"coverage":{"mean_confidence":0.9165922376844619,"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}}