{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003724},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002908","490:4900003457","490:4900003199","490:4900003864","490:4900004008","490:4900002601","490:4900003058","490:4900001840","490:4900004147","490:4900003060","490:4900003324","490:4900003062","490:4900003332","490:4900002750","490:4900003340","490:4900002001","490:4900002452","490:4900003866","490:4900004426","490:4900001837","490:4900004304","490:4900002639","490:4900002905","490:4900002453","490:4900001866"],"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":[0.7597379421596666,0.7485504332871707,0.7479919117338425,0.7438679393616797,0.6766943334385567,0.6425086954089179,0.6402112532517514,0.6334925563741258,0.6188428335170904,0.6119743384044611,0.6097889746184569,0.5570552385497212,0.5554558127577095,0.5554252671091607,0.5496211952138129,0.5445600608900136,0.538934334731929,0.5310624924555868,0.5262167641668649,0.5167576036880528,0.5134349974973218,0.5094061921385532,0.5083967187982109,0.5063680563757065,0.49307416994517406],"twin_dists":[0.09627926391669098,0.09884407532934197,0.09897136654690845,0.09990915366610599,0.11478077790401842,0.12216142687217402,0.12265503269247527,0.12409737027861875,0.12723775647502278,0.12870881827061267,0.1291767879399446,0.1404916475407936,0.14083643753488628,0.14084302372530405,0.1420955066928872,0.14318943917681812,0.14440752868482468,0.14611607982707403,0.1471704375244111,0.14923492613586706,0.14996222377979646,0.15084568756728936,0.15106733216443438,0.1515131031730126,0.15444645090111495],"n_dims_used":45,"mean_confidence":0.9137088351779514},"coverage":{"mean_confidence":0.9137088351779514,"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}}