Creating a Request

openssl ts -query -data README.md -no_nonce -sha512 -cert -out file.tsq

Updating fixtures

As we use Sigstore TSA](https://github.com/sigstore/timestamp-authority), we generate the fixture against it.

Download the binaries or build them and run the server.

# Warning, this requires rfc3161-client, which is not yet available
uv run scripts/update_fixtures.py