{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011318},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011097","490:4900011524","490:4900011081","490:4900011576","490:4900011641","490:4900011522","490:4900011176","490:4900011385","490:4900012046","490:4900011246","490:4900011710","490:4900010674","490:4900010999","490:4900011980","490:4900011387","490:4900011302","490:4900011454","490:4900012120","490:4900011645","490:4900012119","490:4900011838","490:4900011003","490:4900011177","490:4900011639","490:4900012104"],"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":[0.41348725118883406,0.30144614593162067,0.28304996327210263,0.28290103220750396,0.2793123758792143,0.26704658947473686,0.24233923298328544,0.23474650071054542,0.17638208795138885,0.16996602034636382,0.16933218856959675,0.15268728162390138,0.15233138877112234,0.14389910622732208,0.14312272727618047,0.12548363664748766,0.12476962862240595,0.11992869283768803,0.1155983231569825,0.1154346592155148,0.110032901336963,0.10939074131659521,0.10842834280890562,0.10256837898956733,0.10115369122124554],"twin_dists":[0.172603984836313,0.2011305849978436,0.20634369672595199,0.20638671447574847,0.2074274464665378,0.21104761181340745,0.21866920375521215,0.22111100510301024,0.2419365228481954,0.2445062188813474,0.24476382252759746,0.2517933301827045,0.25194960599112587,0.25573357554336584,0.25609014747138564,0.2646114140475076,0.26497490653853284,0.26748204420558186,0.2697911598809587,0.2698797239965283,0.27285859270261653,0.27322018025510497,0.2737651768923425,0.27716722377687464,0.27801115031059037],"n_dims_used":45,"mean_confidence":0.8930842081705729},"coverage":{"mean_confidence":0.8930842081705729,"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}}