{"schema":"vela.problem-packet.v0.1","problem":828,"statement":"Is it true that, for any $a\\in\\mathbb{Z}$, there are infinitely many $n$ such that\\[\\phi(n) \\mid n+a?\\]","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)"}