You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

advanced-algorithm-design-lecture-notes-princeton-cos521
2024.3.1.0

This version was deleted from PyPI around 2024-07-16. Installing fails with:
$ pip3 install advanced-algorithm-design-lecture-notes-princeton-cos521==2024.3.1.0 ERROR: Could not find a version that satisfies the requirement advanced-algorithm-design-lecture-notes-princeton-cos521==2024.3.1.0

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-07-15/ \ advanced-algorithm-design-lecture-notes-princeton-cos521==2024.3.1.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)