Summary

• download the immutable release-evidence artifact in post-publication verification
• retry bounded PyPI propagation failures
• validate local evidence before network checks
• add regression coverage and prepare v0.23.3

Verification

• 32 focused release tests passed
• stable release validator accepted 0.23.3
• Ruff check/format passed
• Specsmith audit healthy (148 checks)
• corrected verifier independently validated v0.23.2 and its receipt is attached

The published v0.23.2 tag and package remain immutable.