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

pdf-docx-pic
3.1.1.2023.6.18.14.43.46

This version was deleted from PyPI around 2024-12-08. Installing fails with:
$ pip3 install pdf-docx-pic==3.1.1.2023.6.18.14.43.46 ERROR: Could not find a version that satisfies the requirement pdf-docx-pic==3.1.1.2023.6.18.14.43.46