{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001709},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002126","491:4910001473","491:4910001772","492:4920004355","492:4920006813","491:4910001289","492:4920006965","491:4910000395","492:4920004008","491:4910002321","491:4910001081","492:4920004994","491:4910001653","492:4920004088","492:4920004059","491:4910001580","492:4920007005","491:4910001532","492:4920005877","492:4920005833","492:4920004098","492:4920006355","491:4910001641","491:4910001019","492:4920006104"],"twin_admin_codes":[491,491,491,492,492,491,492,491,492,491,491,492,491,492,492,491,492,491,492,492,492,492,491,491,492],"twin_sims":[0.413297664908402,0.40310729435499215,0.40095700451560784,0.40025955946587427,0.3988905068528896,0.37479760752474606,0.36383054117705704,0.3565478187135214,0.33532484759098197,0.3296367697108144,0.31975506798834646,0.2930227539943189,0.29042811895602955,0.2873627752968647,0.28400960956169896,0.2777590207723527,0.26942531629700917,0.26383371376123677,0.25785660007748623,0.24455771662681952,0.24438407429301565,0.24388807066603815,0.24356520502930482,0.24272969926764526,0.23082800909682438],"twin_dists":[0.1726487958602193,0.1750708583445536,0.17558541515302348,0.17575257915222756,0.17608109966930122,0.1819512469766808,0.1846838102601453,0.18652137036201677,0.19199082576854776,0.19348804931922456,0.19612337587740492,0.2034934718252992,0.2042293695988228,0.20510383626434336,0.20606683631987896,0.20788044679161463,0.21033766017866232,0.21201279093903067,0.2138281311882556,0.2179651400222724,0.2180200984591295,0.21817722434534642,0.21827961381095573,0.21854498315833565,0.2223914227878399],"n_dims_used":45,"mean_confidence":0.8989122178819444},"coverage":{"mean_confidence":0.8989122178819444,"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}}