{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004341},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004742","490:4900004750","490:4900004613","490:4900005812","490:4900004612","490:4900004748","490:4900006554","490:4900003509","490:4900004342","490:4900004474","490:4900006067","490:4900005820","490:4900004752","490:4900007162","490:4900006672","490:4900006793","490:4900004204","490:4900006069","490:4900004754","490:4900002390","490:4900004884","490:4900005560","490:4900004061","490:4900005819","490:4900006068"],"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":[0.19096591931815668,0.18789995141895394,0.16575755773211773,0.08531733892242961,0.0744988508952354,0.045785998916651395,0.044592217703862964,0.03867881896091489,0.037013075171815644,0.03579680215588289,0.03531103167150973,0.03057162661414827,0.027443685986935275,0.023516879110904092,0.022134483475461406,0.02165873323939912,0.020719588049951117,0.013992882511984812,0.00965523273343706,0.009648995253263341,0.009415532118819993,0.0078059626089510255,0.00729748868807002,0.006198091272167868,0.004153394152732015],"twin_dists":[0.2363330509523629,0.23748540864844125,0.24622976994560924,0.28815619694918515,0.29598686734994645,0.3225375790843136,0.3239162366609211,0.3312417236229867,0.3334758076564847,0.33516157719573253,0.3358484859968541,0.3430104428020936,0.3482777152175162,0.3556776795145098,0.3585391483000479,0.3595598823323441,0.36163343984866786,0.3795005620718552,0.39564873339439305,0.39567628262939153,0.39671903158736027,0.40461134543844146,0.40740966339682816,0.4141148947908617,0.4301112599649081],"n_dims_used":45,"mean_confidence":0.8997194078233507},"coverage":{"mean_confidence":0.8997194078233507,"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}}