Credit to @levi for pointing this out on Zulip: https://pijul.zulipchat.com/#narrow/stream/271378-manual/topic/Installation.20instructions.20for.20FreeBSD.2FFedora
TJAIKQ4KIDNAW3OJRTHBS2FBRM4ZDZ7EOHLGNUJZVQFU6CFUQ5EQC
Alternatively, you can install the [port](https://www.freshports.org/devel/pijul), which is more likely to be up-to-date but means you have to wait for `rust` and `pijul` to build from scratch:
```
cd /usr/ports/devel/pijul/ && make install clean
```