\begingroup
\small
\begin{thebibliography}{9}
\setlength{\itemsep}{2pt}
\setlength{\parsep}{0pt}

\bibitem{KT26}
V. Kumar and R. Tosi,
\emph{Irrationality of values of $L$-functions for real Dirichlet characters},
preprint, 30 October 2026.
\href{https://arxiv.org/abs/2610.41458v1}{arXiv:2610.41458v1}.

\bibitem{LS25}
L. Lai and J. Sprang,
\emph{Many $p$-adic odd zeta values are irrational},
preprint, version of 17 February 2025.
\href{https://arxiv.org/abs/2306.10393v2}{arXiv:2306.10393v2}.

\bibitem{LY20}
L. Lai and P. Yu,
\emph{A note on the number of irrational odd zeta values},
Compos. Math. \textbf{156} (2020), no.~8, 1699--1717.
\href{https://arxiv.org/abs/1911.08458v2}{arXiv:1911.08458v2}.

\bibitem{Tind}
twinheterodox,
\emph{Linear independence of even Dirichlet beta values},
3 November 2026.
\href{https://hexagonmath.org/2611.00044v2}{Hexagon 2611.00044v2}.

\end{thebibliography}
\endgroup