{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010738},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010737","490:4900010401","490:4900010904","490:4900008547","490:4900010983","490:4900010653","490:4900010488","490:4900010740","490:4900011244","490:4900010652","490:4900008442","490:4900008441","490:4900009743","490:4900010568","490:4900010655","490:4900010497","490:4900010651","490:4900012107","490:4900006677","490:4900010736","490:4900010243","490:4900010240","490:4900009923","490:4900010824","490:4900008548"],"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":[0.08621648272041703,0.06767650797377568,0.05915660359952623,0.04286870215710868,0.03594938009957492,0.023156788641934503,0.013427970262578774,0.012169644476321887,0.011907343615206048,0.011113727292924844,0.009955753686330247,0.00879269932172206,0.007727793658168594,0.005920283117208406,0.005520525806133957,0.00494007221835971,0.004824436071684627,0.0043006081512963375,0.0038875958413574344,0.0038301578228454934,0.0037445012107627305,0.003654017002858678,0.0032034042339083744,0.003135980683562884,0.0028854358467191167],"twin_dists":[0.2875418746555757,0.30141046278853634,0.30884836050990716,0.3259623648429819,0.33494745789033153,0.3564086895248361,0.381327747015755,0.3856555310224003,0.38660735635616256,0.3896050297548549,0.39433986440803376,0.39961826914923015,0.4050306949050993,0.4159785151160417,0.41880372684900935,0.4232543718232773,0.42419725156372096,0.4287431570124266,0.43269705627150645,0.433276911265691,0.4341565165855596,0.43510582321809965,0.44017838711874285,0.44099276933667647,0.4441661636136172],"n_dims_used":45,"mean_confidence":0.8863153245713976},"coverage":{"mean_confidence":0.8863153245713976,"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}}