{"schema":"vela.problem-packet.v0.1","problem":508,"statement":"What is the chromatic number of the plane? That is, what is the smallest number of colours required to colour $\\mathbb{R}^2$ such that no two points of the same colour are distance $1$ apart?","status":"open","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}