{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003738},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002920","490:4900002309","490:4900003490","490:4900003075","490:4900003198","490:4900001586","490:4900003330","490:4900001584","490:4900002485","490:4900002767","490:4900001165","490:4900004149","490:4900002488","490:4900003895","490:4900001699","490:4900003755","490:4900002333","490:4900002918","490:4900001572","490:4900003074","490:4900001202","490:4900002626","490:4900004302","490:4900002343","490:4900001722"],"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":[0.678109413242481,0.6441104671388566,0.6437547635572836,0.6143017681067511,0.6053416862508765,0.5996353706978934,0.5743448499362122,0.5637134164500404,0.55066648926222,0.5411636809638224,0.5403634882532146,0.5275014747203891,0.5264485558749457,0.5043719951274029,0.49629008707596495,0.4868168179158281,0.485754177196201,0.48288416511777915,0.48271528984291334,0.4798366584988906,0.4793682102551883,0.47759390892238257,0.4684254746451578,0.4655805659114408,0.4642298907938572],"twin_dists":[0.11447338406667114,0.12181715081400052,0.12189361372047523,0.12821039314054505,0.1301290787457026,0.1313510171112843,0.1367727309335282,0.1390578312036527,0.14186978422988109,0.14392454807614077,0.14409786406786446,0.14689069978525227,0.14711995521823792,0.1519521730388251,0.15373482524605447,0.15583502978491154,0.15607137602755794,0.15671050636692038,0.15674815042863177,0.15739046758467573,0.15749510938188765,0.1578917500296805,0.1599490931018514,0.16059022350711308,0.16089508553255058],"n_dims_used":45,"mean_confidence":0.917036607530382},"coverage":{"mean_confidence":0.917036607530382,"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}}