{ "domain": "mathematics", "topics": [ "discrete-geometry", "coding-theory" ], "type": "construction", "also": [ "proof" ], "cover": { "motif": "spheres", "n": 3 }, "source": { "key": "spherical-codes", "name": "Kissing numbers and spherical codes (Henry Cohn)", "url": "https://cohn.mit.edu/kissing-numbers", "curator": "Henry Cohn", "status": "open", "as_of": "2026-10-20", "catalog": "0521c19bbd38" }, "review": true, "approval": "first-time" }