{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003852},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003451","490:4900002743","490:4900003996","490:4900004133","490:4900002904","490:4900002596","490:4900001817","490:4900002447","490:4900002728","490:4900004547","490:4900004270","490:4900012914","490:4900003453","490:4900004004","490:4900004417","490:4900003598","490:4900002295","490:4900002587","490:4900005110","490:4900004152","490:4900002744","490:4900002445","490:4900003179","494:4940004070","490:4900012915"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490],"twin_sims":[0.4703131120581906,0.4430260992793139,0.4346330122207642,0.4179081831828535,0.36742229365679147,0.3320119960766693,0.3075151097909266,0.2994565388507573,0.2970102147943067,0.2863450912643822,0.279245421285677,0.273482447377051,0.25589899437867675,0.24552520572185282,0.2252340101064194,0.222102299513828,0.21766916570833547,0.21579742604589439,0.21020718173411973,0.2001989420026979,0.19333833676780798,0.19244315525844677,0.1916853433608022,0.18722690244299078,0.18581077928500167],"twin_dists":[0.15952442728112268,0.1657237741301131,0.1676591859402234,0.17156154594955186,0.18378441629404949,0.19286113665024265,0.1994519551710166,0.20168516729026617,0.20237001999694199,0.20539538955821102,0.2074469405724422,0.20913566033416806,0.2144284395695893,0.21765938582013322,0.2242444183198243,0.22529515603090502,0.22679960241987224,0.22744098072004004,0.22937920406708945,0.23293876872063893,0.23545020161395494,0.23578243465138618,0.23606452743370665,0.23774013676526234,0.2382782013494858],"n_dims_used":45,"mean_confidence":0.9188936021592882},"coverage":{"mean_confidence":0.9188936021592882,"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}}