CompletedHardSide-Channel300 pts
Trace Residue
Archive challenge from Obsidian Circuit VI.
Challenge brief
Historical side-channel residue recovery used in the Season 2025 finale debrief.
Flag format:
GB{...}Puzzle artifacts
archive_bundle.tgz
Archive placeholder
TGZ-DEMO-ARCHIVE
Demo artifacts — synthetic files for the interactive MVP flow
Submit proof
Demo verification is client-side for this MVP. Live contests will score server-side. Lattice Fold demo flag: GB{lattice_short_basis_recovered}