{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004530},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003428","490:4900004395","490:4900003296","490:4900004394","490:4900002869","490:4900001957","490:4900004256","490:4900002421","490:4900004255","490:4900004099","490:4900010387","490:4900003973","490:4900002571","490:4900004242","490:4900004393","490:4900003693","490:4900004532","490:4900002422","490:4900004257","490:4900004253","490:4900010099","490:4900003560","490:4900008512","490:4900009692","490:4900003968"],"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":[0.5193836195103578,0.4615713499869595,0.3751757575587274,0.35554988781514807,0.31409036437752147,0.2960069346640988,0.24835364837624643,0.23754133281110115,0.2321958920979908,0.20318282164136423,0.2010615152857418,0.1983659434245472,0.19549817699961297,0.19281862724889534,0.18987101069914503,0.1832930913502961,0.18284948427868522,0.18254639355193025,0.17917042791745477,0.1572367660851205,0.15640341734387944,0.1555117226021154,0.13711644016366975,0.1315254796670436,0.13065765836258675],"twin_dists":[0.14866091203185472,0.16149605354006122,0.18185773815090614,0.18677465886674746,0.1976546803890826,0.20265184828566915,0.216769938470905,0.2202062922337715,0.22194283784835356,0.2318649993652366,0.23262724097985019,0.23360386191843532,0.23465299014810395,0.23564295319630724,0.23674308192277357,0.23924197708976175,0.23941275581480037,0.2395296071115031,0.24084051933809442,0.2498187361667283,0.2501772758659027,0.2505624672415587,0.2588985139684438,0.2615966654469125,0.262023165151015],"n_dims_used":45,"mean_confidence":0.9231255425347222},"coverage":{"mean_confidence":0.9231255425347222,"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}}