{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003509},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004753","490:4900004612","490:4900004752","490:4900004203","490:4900004613","490:4900004341","490:4900006793","490:4900004894","490:4900004204","490:4900004893","490:4900003510","490:4900004748","490:4900003646","490:4900004754","490:4900004750","490:4900004060","490:4900004742","490:4900006067","490:4900004061","490:4900004480","490:4900005942","490:4900002393","490:4900006070","490:4900006436","490:4900003511"],"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":[0.17016589781389757,0.11806968187859666,0.06963832097723335,0.05032141662631524,0.04660021771244905,0.03867881896091489,0.03834474576392293,0.0343724900692243,0.021085928333875487,0.018712970618642653,0.014228989888511128,0.012082199451798156,0.009720731906515798,0.008630001745501749,0.007539532845225429,0.006912677096727681,0.00663464586864431,0.006323281372055014,0.006241703698439519,0.005585483814765551,0.004803745671988788,0.00461218047381541,0.0042129691155597965,0.0037452356602944055,0.003473908421269344],"twin_dists":[0.24442512720055365,0.2684653809915168,0.2998070483782629,0.31755969473837226,0.32161444562324737,0.3312417236229867,0.3316831559226855,0.3371987287403502,0.3608150447846245,0.36635373192613957,0.37875612962125094,0.3859708084374002,0.3953603964275563,0.4004058276756046,0.40605648640375896,0.40964638035922385,0.411333230069352,0.41329959547432393,0.4138291979245246,0.41833232503683354,0.4243681144155754,0.4259825589310202,0.42955238645523636,0.43414889701361353,0.43706093622880066],"n_dims_used":45,"mean_confidence":0.9004526774088542},"coverage":{"mean_confidence":0.9004526774088542,"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}}