{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003774},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003639","490:4900002369","490:4900004338","490:4900004333","490:4900003244","490:4900003770","490:4900003502","490:4900003635","490:4900004880","491:4910002113","490:4900003241","490:4900003237","490:4900004193","490:4900005683","490:4900005155","490:4900007303","490:4900005557","490:4900002374","490:4900004196","490:4900004468","490:4900003925","490:4900005019","490:4900002965","490:4900004744","490:4900003781"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.48898036893580626,0.3598633578980521,0.2553941722593629,0.24780333753314815,0.2364519299244089,0.23468603065648816,0.23131612390972392,0.221922446006769,0.2162567896668471,0.2123401731385919,0.21006539856220247,0.20963228861226832,0.1921561161132026,0.18631723776033068,0.1863096869643787,0.1855312765443729,0.17676178463991807,0.1715631303226672,0.16894533427044892,0.16889851311028278,0.16464085008778745,0.1546153450027856,0.15104393848346595,0.14983132127305565,0.14879117975239056],"twin_dists":[0.15535431081303822,0.18568244799710565,0.2145837163844594,0.21694248052466683,0.2205581104228746,0.22113065748541005,0.22223114959762164,0.2253557988173798,0.2272832275397955,0.22863559345148904,0.2294288141933682,0.22958050104016525,0.23588919271365422,0.23808543961733425,0.23808831079941503,0.23838474027440332,0.24178655568474733,0.24386015994792,0.24492138949259407,0.2449404774830655,0.24669239860157366,0.2509513129806677,0.2525171870812427,0.25305504067587603,0.25351895358070853],"n_dims_used":45,"mean_confidence":0.8977813720703125},"coverage":{"mean_confidence":0.8977813720703125,"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}}