{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001875},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001319","490:4900003226","490:4900003336","490:4900003464","490:4900001598","490:4900003617","490:4900003218","490:4900001704","490:4900003076","490:4900002793","490:4900003073","490:4900004009","490:4900001426","490:4900004319","490:4900003357","490:4900003614","490:4900004597","490:4900004022","490:4900004184","490:4900004174","494:4940003950","490:4900003898","490:4900003056","490:4900004426","490:4900002617"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.7199499293879499,0.6732397364594339,0.6641549340207292,0.6323346924524081,0.5985143723224438,0.5860270666979039,0.5799601773500163,0.5759852137048292,0.5705402567497031,0.5476739167749138,0.5442378620414098,0.5362267605013741,0.5315345566305496,0.5221166061208548,0.5211278083375601,0.5199487867152627,0.5196735434898854,0.5125620239746467,0.5104633274379368,0.4855731716730766,0.4819330238568969,0.4807900600542193,0.4793742979414384,0.47734957367231184,0.46958560877835787],"twin_dists":[0.10528225658328462,0.11553046205363886,0.11749727314463296,0.1243457772978161,0.13159108913705495,0.13426651650906013,0.13556754589494868,0.13642055826422234,0.13758993512942191,0.14251619457151551,0.1432591399706361,0.14499463082723496,0.14601347574210555,0.1480642444416048,0.1482800351204662,0.14853746411137644,0.14859758077310534,0.15015350573490133,0.1506136998512262,0.15611165001335645,0.1569225796417153,0.15717759761940636,0.15749374930716595,0.15794640775490332,0.15968802673155924],"n_dims_used":45,"mean_confidence":0.9175645616319444},"coverage":{"mean_confidence":0.9175645616319444,"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}}