{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003783},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003926","491:4910002162","490:4900003246","491:4910002068","490:4900003501","490:4900004206","490:4900006077","490:4900003237","490:4900004067","490:4900006315","490:4900003782","490:4900005288","490:4900003634","490:4900003770","490:4900003367","490:4900003632","490:4900005170","490:4900005294","490:4900005293","490:4900003502","490:4900004335","490:4900005285","491:4910002069","490:4900003910","491:4910001403"],"twin_admin_codes":[490,491,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,491],"twin_sims":[0.39829039454917464,0.35981436269385875,0.3552580875526158,0.261221564708443,0.25477899172380297,0.25237451837881314,0.2267184856020387,0.2206425182430675,0.18060098699901272,0.1685498709973527,0.15370305195207187,0.14862880032984857,0.13811098728877744,0.1379464004576742,0.13731939690260178,0.1368893529009241,0.13598424799836756,0.13580722773929152,0.11339233880450642,0.10927971102856726,0.10425826790422309,0.1015416399462773,0.09613277196359538,0.0949728706499589,0.09367128182317275],"twin_dists":[0.17622526569331542,0.18569481623657633,0.1868487910802715,0.21280293014620297,0.21477320119650453,0.21551661462528252,0.22374974654359153,0.22578831466921065,0.24028290669314994,0.24508273121886195,0.25134876127368444,0.25359159192514374,0.25842723383226346,0.25850504999097823,0.25880213290622417,0.2590064808888929,0.259438143363381,0.25952281933617877,0.2709930969622449,0.2732828656689195,0.27617095073021913,0.27777880810837924,0.28108301768825694,0.2818105198428293,0.2826352707482608],"n_dims_used":44,"mean_confidence":0.8981990814208984},"coverage":{"mean_confidence":0.8981990814208984,"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}}