{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001187},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001186","491:4910001130","491:4910001323","491:4910001128","491:4910001065","491:4910000987","491:4910001568","491:4910001194","491:4910001059","491:4910001330","491:4910001624","491:4910001117","491:4910001322","491:4910001182","491:4910001001","491:4910001267","491:4910001563","491:4910001124","491:4910001501","491:4910001382","491:4910001916","491:4910001393","491:4910001125","491:4910001073","491:4910001679"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.7822190828425527,0.7047307702244764,0.703399084730319,0.5702395859910654,0.5628626940607658,0.5454503366727711,0.4829779183878509,0.47633071580333264,0.46607779425042994,0.46505677712762006,0.44258266448786077,0.4174993406835798,0.40464709652202185,0.3831826182068837,0.3804505159471227,0.3720388402346325,0.3604520200128618,0.3493695509105835,0.3223350125398124,0.3033248447326004,0.3016765892980726,0.29076188766940025,0.2900805743348179,0.28665723159678363,0.28628789503950314],"twin_dists":[0.09102717805156614,0.1086513901469288,0.10894462516844139,0.1376545419597851,0.1392409040182894,0.14299688505359723,0.15668960956436104,0.1581744238638571,0.160478070869635,0.16070841182938092,0.16582566781713967,0.17165775007019232,0.17470314763605252,0.17988845741783785,0.1805581581455931,0.1826348423711007,0.18553391461533472,0.18835159467642834,0.19543101529683096,0.20060887303108685,0.20106648953196907,0.20413448670505985,0.20432823771921194,0.20530589942250718,0.2054117939698672],"n_dims_used":45,"mean_confidence":0.8960506015353733},"coverage":{"mean_confidence":0.8960506015353733,"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}}