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

carbon-simulator
1.4

This version was deleted from PyPI around 2026-06-30. Installing fails with:
$ pip3 install carbon-simulator==1.4 ERROR: Could not find a version that satisfies the requirement carbon-simulator==1.4
View other deleted versions of carbon-simulator

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/2026-06-29/ \ carbon-simulator==1.4
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Or, download files manually

And install manually via pip:
carbon_simulator-1.4-py3-none-any.whl (45.6KB)
carbon_simulator-1.4-py3.8.egg (101.5KB)
carbon-simulator-1.4.tar.gz (41.2KB)