T19 runs the KeyCape binary from the pinned image instead of docker: tools/contract-tests/oci_extract.py
pulls the image anonymously by digest and verifies manifest and layer digests before extracting.
Both exercises record GITHUB_SHA when net-kingdom is a source tarball. PyJWT[crypto] chain pinned by
PyPI-checked hashes. 85 tests pass in a CI-like layout. rapp CI recorded (rapp 15df0e3).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 943911@bnt-lap001
Assistant-Session: fc322940-1c8e-4bed-ab39-86cec99f23a0
