{"schema":"vela.problem-packet.v0.1","problem":48,"statement":"Are there infinitely many integers $n,m$ such that $\\phi(n)=\\sigma(m)$?","status":"solved","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)"}