{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910004549},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910004511","491:4910004724","491:4910004270","491:4910004548","491:4910004079","491:4910004727","491:4910004228","491:4910004428","491:4910004509","491:4910004319","491:4910003659","491:4910003986","491:4910003975","491:4910003762","491:4910004176","491:4910003714","491:4910004178","491:4910003661","491:4910004081","491:4910004083","491:4910003662","491:4910003767","491:4910003973","491:4910003976","491:4910004135"],"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":[0.3989468274855241,0.3569325049463392,0.35603350413280105,0.3487947509246447,0.32176922762218035,0.30640626230638834,0.30252825696123625,0.29878309396287045,0.2901087329331695,0.27791135199275935,0.24007145878840794,0.2241096369837126,0.21628322753006504,0.2144066891798356,0.21222823618574327,0.20892287313648392,0.20865081137518895,0.2042361212524171,0.19366090704010344,0.1869381474283444,0.184296616589764,0.17299802506757062,0.1635514049467899,0.1628153192627659,0.16074645954119168],"twin_dists":[0.17606757474647,0.1864238293297296,0.18665186470139034,0.18849899474743603,0.195582584560355,0.19975721293055854,0.2008298540473502,0.20187337101140332,0.20432022464569297,0.2078359547622823,0.2193932357365412,0.22462053685857034,0.22727415520587915,0.22791996782330914,0.22867449104368798,0.22982941868730644,0.229925031520422,0.23148854974489838,0.2353307469450315,0.23784961848123123,0.23885671509987097,0.2432833842243326,0.24714592391101967,0.24745358830282316,0.24832375159649245],"n_dims_used":45,"mean_confidence":0.8916592068142362},"coverage":{"mean_confidence":0.8916592068142362,"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}}