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

puantum
1.1.1

This version was deleted from PyPI around 2025-06-28. Installing fails with:
$ pip3 install puantum==1.1.1 ERROR: Could not find a version that satisfies the requirement puantum==1.1.1
View other deleted versions of puantum

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/2025-06-27/ \ puantum==1.1.1
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Or, download files manually

And install manually via pip:
puantum-1.1.1-cp313-cp313-win_amd64.whl (790.9KB)
puantum-1.1.1.tar.gz (11.8KB)