{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002750},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002301","490:4900002601","490:4900003457","490:4900003062","490:4900003060","490:4900002908","490:4900001837","487:4870011451","490:4900003866","490:4900003724","490:4900003593","490:4900003323","490:4900004577","490:4900004147","490:4900003063","490:4900003058","490:4900003065","490:4900001840","490:4900003324","490:4900002919","490:4900004008","490:4900002905","490:4900003084","490:4900003879","490:4900004442"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7371243825271658,0.716452855136499,0.6404453586977356,0.6244153911343966,0.608811132296419,0.5793093401827323,0.5778308117829305,0.55779824987075,0.5577025363411368,0.5554252671091607,0.5500201299848471,0.5442020438911908,0.5407794406878311,0.535256249180294,0.5265671938982346,0.519391219092921,0.5088727981928071,0.48223292803310497,0.47893118415084285,0.4562465225163233,0.4529733636607946,0.4392583478565634,0.4325309908159032,0.43021296211597854,0.4233749185794763],"twin_dists":[0.10143498981088189,0.10605949071330854,0.12260474517707927,0.12604376752405635,0.1293861746338803,0.13570717833531792,0.13602443551500457,0.140331525011948,0.14035215001311097,0.14084302372530405,0.14200935181318977,0.14326688891067674,0.1440077657840752,0.14520521510409767,0.14709411874226078,0.14865925186539283,0.1509627877548298,0.15685569667217733,0.1575927616181432,0.16270344818033317,0.16344815990775202,0.16659080497472795,0.1681462170993492,0.1686844051436886,0.17027899058126406],"n_dims_used":45,"mean_confidence":0.9173058403862847},"coverage":{"mean_confidence":0.9173058403862847,"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}}