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

ad-tech
1.0.3

This version was deleted from PyPI around 2025-10-21. Installing fails with:
$ pip3 install ad-tech==1.0.3 ERROR: Could not find a version that satisfies the requirement ad-tech==1.0.3
View other deleted versions of ad-tech

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/2025-10-20/ \ ad-tech==1.0.3
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Or, download files manually

And install manually via pip:
ad_tech-1.0.3-py3-none-any.whl (17.0MB)
ad_tech-1.0.3.tar.gz (16.9MB)