{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001004},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001071","491:4910001384","491:4910001447","491:4910001120","491:4910001055","491:4910001748","491:4910001137","491:4910002360","491:4910001513","491:4910001133","491:4910001335","491:4910000990","491:4910001318","491:4910001134","491:4910001572","491:4910001319","491:4910001067","491:4910001394","491:4910001119","490:4900006326","491:4910001005","491:4910001329","491:4910001251","491:4910001250","491:4910001265"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491],"twin_sims":[0.3442264642032864,0.18843020648325282,0.18819960639906383,0.17121242887903376,0.1436420353912852,0.130701556840357,0.11448225547575026,0.10705854664744643,0.10538616337771003,0.09131826652517436,0.09026153679074488,0.08912850875539509,0.0877788544715681,0.07952389275219192,0.07585070758267909,0.07149920211045674,0.0690240711016036,0.06658414909894662,0.06430821813937823,0.06275551373337786,0.05859663151908682,0.05710419069229978,0.05338083983018037,0.050968084813289474,0.0503516109506383],"twin_dists":[0.18967505365478796,0.23728517365775445,0.23737220431615477,0.24400165417278555,0.25585148340532854,0.2620015395807211,0.27039702587823355,0.2745473816137344,0.27551297925969115,0.2841494960412264,0.28483958493952594,0.2855866463200671,0.2864864364479117,0.2922434411581477,0.29496027210207526,0.2983196894804146,0.30030508869803,0.30231972877435637,0.30425397891324246,0.30560594682649384,0.3093673570247571,0.3107708297371132,0.3144091225870023,0.3168807416128614,0.31752783176507055],"n_dims_used":45,"mean_confidence":0.8958233303493923},"coverage":{"mean_confidence":0.8958233303493923,"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}}