Gemini?

I guess this is a start of a gemini capsule.

HRTO

gemini://sdf.org/hrto/230712.gmi

EOF

Proxied content from gemini://sdf.org/hrto/ (external content)

Gemini request details:

Original URL
gemini://sdf.org/hrto/
Status code
Success
Meta
text/gemini
Proxied by
kineto

Be advised that no attempt was made to verify the remote SSL certificate.