{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006312},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004746","490:4900007159","490:4900007170","490:4900005686","490:4900006668","490:4900004772","490:4900007048","490:4900006315","490:4900006543","490:4900006200","490:4900007414","490:4900006075","490:4900006925","490:4900006311","490:4900005684","490:4900006310","490:4900005017","490:4900006314","490:4900005949","490:4900003633","490:4900006074","490:4900006199","490:4900007293","490:4900006433","490:4900005956"],"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":[0.09908366398476642,0.09567902164317021,0.07518474938918206,0.061819691030940815,0.050276658763148234,0.0460416991972522,0.04571137118317102,0.04465730486395608,0.038305056443215,0.03671825262151474,0.03307033667012082,0.03282340022651868,0.03276654253363328,0.03091468757885349,0.028840425724899536,0.0284087013770832,0.02739021215564021,0.02615459037202365,0.024480220957183767,0.023810331423402636,0.023771816383245707,0.023718366654128395,0.023210008296424445,0.022350954867522164,0.022343235703764435],"twin_dists":[0.27926280740893705,0.28136678761055695,0.29546413716589165,0.30643407583453464,0.3176069553891306,0.32224620413782656,0.32262287567663067,0.32384027658447884,0.33173581611766234,0.3338800680117928,0.3391250706436022,0.339497653073133,0.3395837797949885,0.342461261803504,0.34586515778109733,0.3465999350353198,0.34837216162372214,0.350600048408135,0.353768653310435,0.35508908967230896,0.35516598142288985,0.3552728679163783,0.35630003176267977,0.35808100142166116,0.35809727210241815],"n_dims_used":44,"mean_confidence":0.8946782892400568},"coverage":{"mean_confidence":0.8946782892400568,"n_dims_used":44,"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}}