Sorry, 🏎 Delorean Time Machine couldn't find a snapshot of that URL in its Archive.

gemini://pou-du-ciel.net/attachments/tandem-wings-minardo.pdf

Possible reaons:

• Link to this URL was a typo in the original source
• This URL was excluded from crawling or archiving via robots.txt
• You found a bug in Time Machine! Beware world ending paradoxes!

Options:

Try the URLs directly. It might be live.

Try looking at the cached version of capsule's home page