{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000626},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000832","490:4900000265","490:4900000419","490:4900000625","494:4940004353","490:4900000246","490:4900000280","490:4900000504","490:4900000161","490:4900000813","490:4900000195","490:4900000350","490:4900004027","490:4900000017","490:4900000162","490:4900000952","490:4900000830","490:4900000703","490:4900000222","490:4900000686","490:4900000733","490:4900000049","490:4900000597","490:4900000948","490:4900001208"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.47950835250316504,0.44761187298137145,0.44645097801213196,0.43062048783172957,0.42910692941547524,0.4165892276593547,0.40853490287374233,0.40449030594583973,0.3700925092955938,0.36601638241692264,0.3636025658364625,0.35767499957872434,0.35238338050071827,0.35188086281902975,0.3435951237052831,0.3302029331091072,0.3285394598982422,0.31364865435552025,0.313485838857849,0.30975816357679103,0.3044284239725277,0.30187147126100927,0.3012211341815102,0.2973333243279743,0.2920755148223994],"twin_dists":[0.15746380103310326,0.16467232559154035,0.16493811143889717,0.1685897028280822,0.16894161352617515,0.17187205225410795,0.17377749252132896,0.17474056111918265,0.18311863152558627,0.1841359350475517,0.18474104719834036,0.18623571523508503,0.18758080648581368,0.18770908579073978,0.18983823430718144,0.1933383930266324,0.19377850853466885,0.19777473999293738,0.19781901853526965,0.19883638975582046,0.20030328583614698,0.20101230737207118,0.2011931972870181,0.20227937558061634,0.2037616801863271],"n_dims_used":45,"mean_confidence":0.9179272121853299},"coverage":{"mean_confidence":0.9179272121853299,"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}}