{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002974},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002826","490:4900001772","490:4900002381","490:4900002231","490:4900002238","490:4900002827","490:4900002973","490:4900002229","490:4900001233","490:4900001767","490:4900001766","490:4900002679","490:4900002832","490:4900003534","490:4900002678","490:4900002831","490:4900002078","490:4900002230","490:4900003115","490:4900001774","490:4900001636","490:4900002530","490:4900002680","490:4900002082","490:4900001106"],"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":[0.7550530627188118,0.6140244128818731,0.45469197160794006,0.3926004559687215,0.37075055127893086,0.34771763354790186,0.3376348938860004,0.33441837022985527,0.2816525846957631,0.2655560235653708,0.25706794610774014,0.24669266824325214,0.2064180678650517,0.19732306604240007,0.192585910462921,0.1769354772037607,0.17386888619163118,0.15946181189794328,0.1587773371467708,0.15737604804484412,0.1542322020986977,0.15072799073799248,0.1504794240213132,0.14380668435918809,0.13738498177785344],"twin_dists":[0.09735689056145591,0.12826979178251083,0.16305689638794818,0.177597160611352,0.1829549246857599,0.1887755517843167,0.1913867181427005,0.19222849742006273,0.2067478597563656,0.21149448749672142,0.21406962772670693,0.21729146541050934,0.2307129309921633,0.2339841603833776,0.23572938121027898,0.24171802948472607,0.24293499617075115,0.2488681757986204,0.24915955507188423,0.2497589469114737,0.25111802266891736,0.2526570179632119,0.2527671792675299,0.25577594765565986,0.2587710104350183],"n_dims_used":44,"mean_confidence":0.912619330666282},"coverage":{"mean_confidence":0.912619330666282,"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}}