{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003895},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003896","490:4900002178","490:4900003755","490:4900001596","490:4900002333","490:4900001722","490:4900001331","490:4900002331","490:4900001201","490:4900002190","490:4900003074","490:4900002327","490:4900003754","490:4900004185","490:4900001572","490:4900004149","490:4900001571","490:4900001202","490:4900001165","490:4900003330","490:4900001333","490:4900001862","490:4900004172","490:4900001166","490:4900002177"],"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":[0.9166830613982023,0.888064810252049,0.8613444489031766,0.8040649899244997,0.7984310818676889,0.7789925912631258,0.7645094014816783,0.7348930983651774,0.724760750898813,0.7236612317940232,0.7090218252350616,0.7075111801529256,0.6827398423319584,0.6817769846155174,0.6668333187847943,0.6534553593764679,0.6492147337773462,0.644693877046888,0.6435609328247051,0.6405697029007922,0.6209961455963442,0.6173757165672931,0.6110792260115607,0.6050792343312738,0.6039233828274377],"twin_dists":[0.05417291759145654,0.0632824828475199,0.07095969223232608,0.08577129428273057,0.0871430952938845,0.09178988957712271,0.09517610691170623,0.10193786123171993,0.10420979908190454,0.1044552506021565,0.10770486922092086,0.10803837731734639,0.11346621868374628,0.11367581973490262,0.11691808327854727,0.11980610782887093,0.1207192613870808,0.12169172708088669,0.1219352776372791,0.12257803424591147,0.12677644760151266,0.12755202100504853,0.12890049892658956,0.1301852770101417,0.1304327786705673],"n_dims_used":45,"mean_confidence":0.9177831013997396},"coverage":{"mean_confidence":0.9177831013997396,"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}}