{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003528},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003126","490:4900001118","490:4900003523","490:4900003399","490:4900001646","490:4900004493","490:4900003258","490:4900003256","490:4900003396","490:4900001375","490:4900003530","490:4900003519","490:4900003527","490:4900003253","490:4900003120","490:4900003403","490:4900003131","490:4900002993","490:4900003661","490:4900003259","490:4900001511","490:4900003518","490:4900003657","490:4900003125","490:4900003254"],"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":[0.415199371680575,0.31521528890352296,0.20027257429119225,0.1995770246219385,0.1895971457107864,0.18845151520847697,0.16231426590060571,0.1559880734213189,0.15437874412166863,0.15185419746928186,0.1500935350023128,0.13395787353340674,0.12371807141633505,0.11869366887875284,0.11422817797283003,0.11210504946542474,0.11112436658837076,0.10659415816787432,0.10178455962095793,0.10172448858761222,0.09756886519676145,0.09712706160118832,0.09221930654758913,0.09156016268382752,0.09106612784705391],"twin_dists":[0.17219970657261882,0.19734935116766328,0.23291213956424306,0.23316395524876155,0.23684589949539822,0.23727713530916766,0.2476635922808669,0.2503564945234514,0.25105422484511214,0.25215956636035736,0.2529384655699552,0.2604124291393107,0.26551313007973737,0.2681340061133501,0.27053558812954565,0.2717028226127348,0.27224773693019866,0.274814327371858,0.2776336766363794,0.2776695406496169,0.28019178842721304,0.2804648646136023,0.28356605163327553,0.28399241723344126,0.2843135767404994],"n_dims_used":45,"mean_confidence":0.9204403347439236},"coverage":{"mean_confidence":0.9204403347439236,"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}}