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pdf-signature

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laravel-a1-pdf-sign

Multiple digital signatures on a single PDF, in Laravel. Each signature is appended as a new revision, so signing again never invalidates the ones before it. A1/x509 certificates, PAdES profiles, RFC 3161 timestamps, LTV and cryptographic validation.

  • Updated Aug 14, 2026
  • PHP
inklayer-react

React PDF viewer & annotator SDK — highlight, markup, ink, shape, stamp and signature annotations with comments, review workflow and collaborative permissions. Export to PDF/Excel. React PDF 查看与批注 SDK, 支持高亮、笔迹、图形、印章、签名、评论审阅与协作权限。

  • Updated Sep 1, 2026
  • TypeScript

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