\begin{titlepage}

   \newgeometry{left=5cm,right=5cm}
   \begin{center}

     \vspace*{1.0cm}

     \Huge

     \textbf{Upgrading Ethereum}

     \vfill

     \Large

     A technical handbook on Ethereum's move to proof of stake and beyond.

     \vfill

     \textbf{Ben Edgington}

     \vfill

     \includegraphics[width=0.4\textwidth]{images/benjaminion.pdf}

     \vfill

     \textbf{\getenv{UE_GIT_BRANCH} Edition}

     \vfill

     \normalsize

     \today\ - \href{https://github.com/benjaminion/upgrading-ethereum-book}{\texttt{\getenv{UE_GIT_COMMIT}}}

   \end{center}
   \restoregeometry
\end{titlepage}
