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

tiledbsoma
0.5.0a3

This version was deleted from PyPI around 2024-08-07. Installing fails with:
$ pip3 install tiledbsoma==0.5.0a3 ERROR: Could not find a version that satisfies the requirement tiledbsoma==0.5.0a3

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/2024-08-06/ \ tiledbsoma==0.5.0a3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)