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pdfcraft/crates
Martin BallandClaude Opus 4.8 e1a3c033aa sign: under no-changes certification, only invisible document timestamps may follow
DocMDP P=1 allowed any change classified as a signature. A signature added
after signing now breaks the certification unless it is a document timestamp
drawing nothing (no positive-area /Rect, or Hidden/NoView). The added objects
are judged directly, so a widget with no /T or one only in a page's /Annots is
covered. The document security store and a genuine timestamp still pass.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-11-06 00:19:58 +00:00
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2026-11-03 09:20:23 -05:00
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