Might need to update the checksum on the Homebrew formula?
brew install stardog-union/tap/stardog
==> Caveats
Visit https://docs.stardog.com/get-started/install-stardog/macOS-installation for further setup instructions
To use stardog, you may need to add the /usr/local/bin directory
to your PATH environment variable, e.g. (for Bash shell):
export PATH=/usr/local/bin:"$PATH"
==> Downloading https://downloads.stardog.com/stardog/stardog-latest.zip
####################################################################################################################################################### 100.0%
Error: SHA-256 mismatch
Expected: 587b817979e6929ea7b55ecfef8bbe42fa2e41aceb82ed7fbeef606f799c4523
Actual: b95a894f9592b8a14f1f5f73a5d9698d30550c69e09753ae989a78629317f327
File: /Users/pete/Library/Caches/Homebrew/downloads/5871fe8bda11a4cf1e754da6105be55779bad2aa77ad02fb82a55de6fced5d63--stardog-latest.zip
To retry an incomplete download, remove the file above.