{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001024},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000091","499:4990000140","499:4990000143","499:4990000138","499:4990000627","499:4990000860","499:4990000172","499:4990000420","499:4990000848","477:4770003562","499:4990000170","477:4770003862","499:4990001220","499:4990001355","477:4770003776","499:4990003425","499:4990001021","499:4990003423","499:4990000300","499:4990001053","499:4990000145","499:4990000423","499:4990000349","499:4990000298","499:4990003768"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,477,499,477,499,499,477,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.8526562296285387,0.8515412831954383,0.8285529099123343,0.825448968351832,0.8224795438395732,0.8117692386588347,0.8055388091804747,0.8022630150167237,0.7914497812864054,0.7912624202986579,0.7904536246532855,0.7898170434112493,0.7873146814217983,0.7645384227383158,0.7598602108493135,0.7396438909926677,0.733646099743244,0.7314127241120181,0.7254720259224197,0.7246235247758548,0.7223480746512944,0.7180572436908034,0.7110033358389518,0.7086991998658242,0.6947971571297272],"twin_dists":[0.07332995242632462,0.07363031228776304,0.07965332261352498,0.08044418543336998,0.08119631366797037,0.0838750249330367,0.08541040356380196,0.0862113804064748,0.08882671524512756,0.0888716623206682,0.08906555045073787,0.08921799742085638,0.08981593364836282,0.09516937931040866,0.09625106742811945,0.10086598807505129,0.1022184855688903,0.10272035466824597,0.10405090774372058,0.10424044400437961,0.10474812723490905,0.10570315080488726,0.10726691687015054,0.10777612276316482,0.11083329807396856],"n_dims_used":45,"mean_confidence":0.9289632161458333},"coverage":{"mean_confidence":0.9289632161458333,"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}}