{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000401","477:4770000664","477:4770000452","477:4770000657","477:4770000564","477:4770000608","477:4770000666","477:4770000045","477:4770000614","477:4770000663","477:4770000458","477:4770000443","477:4770000025","477:4770000560","477:4770000024","477:4770000656","477:4770000769","477:4770000658","477:4770000512","477:4770000711","477:4770000510","477:4770000665","477:4770000239","477:4770000283","477:4770004002"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.9077661490646242,0.8975810149304058,0.8733715284694171,0.8672427988039441,0.861867300605768,0.8103830232209415,0.7776289630652568,0.7701638780688855,0.7481010754198889,0.7454262273087285,0.741484135731159,0.7198533394537235,0.7078625772469794,0.7001652385003255,0.6751753181055435,0.6650846970509764,0.664272548083596,0.6546881528743153,0.6523772367076845,0.6360603160640036,0.6215389893079486,0.6191861909325771,0.6176878032158185,0.6023637410112933,0.5989284574380992],"twin_dists":[0.057135469516093926,0.06037470734862961,0.06758322834303854,0.06931850388793379,0.0708152986309725,0.0842180273187803,0.0921112824421265,0.09386106706875033,0.09894649273740375,0.09955522991686148,0.10044958539195295,0.10530375007083655,0.1079608271806875,0.10965574795984995,0.11511054902340816,0.11729627567660021,0.11747185064274292,0.11954045431689181,0.12003835944786961,0.12354632843521929,0.126660140955916,0.12716420305898996,0.12748517275127108,0.1307667504069713,0.1315024077617481],"n_dims_used":45,"mean_confidence":0.9216908772786458},"coverage":{"mean_confidence":0.9216908772786458,"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}}