Source Unavailable: pdf-ua-1

[github-actions]

Source Currency Alert

The source pdf-ua-1 is unreachable.

• URL: https://pdfa.org/resource/pdfua-in-a-nutshell/
• HTTP Status: 403
• Last Verified: 2026-03-03
• Affected Agents: pdf-accessibility, document-accessibility-wizard

Action Required

1. Verify the URL is still correct
2. Find the new URL if the resource moved
3. Update SOURCE_REGISTRY.json
4. Update affected agent files if source URLs changed