{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003163},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002872","490:4900002723","490:4900003021","490:4900002871","490:4900002425","490:4900003679","490:4900002569","490:4900003678","490:4900003294","490:4900002273","490:4900002717","490:4900003289","490:4900003544","490:4900002870","490:4900002867","490:4900003541","490:4900003422","490:4900003013","490:4900003156","490:4900002866","490:4900003020","490:4900003012","490:4900002263","490:4900002864","490:4900003408"],"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":[0.597634096599906,0.5889752362741583,0.49086754295965424,0.47524383458287467,0.44138675087404255,0.42834202374228875,0.3776914280580828,0.3301125514220524,0.3105001630083747,0.3089747728342746,0.2841264601952348,0.27056183535307826,0.2694523030026101,0.26634306928113355,0.2365871196501743,0.23345782627056533,0.22828558827638074,0.22180731920632646,0.22047012807906646,0.2105943814033713,0.20682996466074632,0.2067951137739865,0.1944349886419403,0.18822621008473037,0.18792396020517657],"twin_dists":[0.1317796162994087,0.1336346173380605,0.15493552307977385,0.15841783858651226,0.16610066535850607,0.16911965123407338,0.18123683347234143,0.19336227453350477,0.19863332487657268,0.19905108520920595,0.2060331631668116,0.20999982606789788,0.21032962808680505,0.21125833518891599,0.22051439402162415,0.22153053643629234,0.22322986565440567,0.22539463436322488,0.2258466972215777,0.2292438380755906,0.23056714333687459,0.23057947085445904,0.23504465122815454,0.23736216002203953,0.23747633389464687],"n_dims_used":44,"mean_confidence":0.9187408794056285},"coverage":{"mean_confidence":0.9187408794056285,"n_dims_used":44,"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}}