{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003691},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008747","490:4900004118","490:4900002705","490:4900001262","490:4900009071","490:4900009285","490:4900007967","490:4900008070","490:4900008294","490:4900008629","490:4900003683","490:4900007840","490:4900003837","490:4900001958","490:4900008973","466:4660003725","490:4900008961","490:4900008623","490:4900003692","490:4900003977","490:4900003979","490:4900009280","490:4900001664","490:4900008082","466:4660003840"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,466],"twin_sims":[0.29630352787622766,0.2807995538885941,0.2790738675320475,0.2788129012400971,0.2496925047691796,0.21628704898809875,0.21305865132943244,0.198479116659636,0.19846846488750275,0.19770229538888143,0.19099287186448075,0.1870477958098219,0.18059608095137225,0.1764472722634867,0.16933918219755834,0.16863152635076292,0.16738325868818188,0.16611999635896874,0.16422453935587275,0.160318697070658,0.15863509824698102,0.15781267060940676,0.15673631552206052,0.15483072960298627,0.153333209276958],"twin_dists":[0.20256847473356046,0.20699517817513519,0.20749690212959157,0.20757293911487082,0.21635117983482025,0.22727284390814997,0.22838625547080307,0.2335626750549322,0.2335665508370171,0.23384570915006078,0.23632297825529097,0.23780803123566374,0.24028481364897453,0.24191076095646658,0.24476097638257124,0.24504939505831855,0.24556027976916175,0.24608010299626903,0.24686544768045313,0.2485046817705018,0.24922022056743634,0.2495717687440433,0.25003388294444695,0.25085772955446006,0.2515103789646997],"n_dims_used":45,"mean_confidence":0.922182379828559},"coverage":{"mean_confidence":0.922182379828559,"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}}