Help center
Sharing & verification
- How to verify a signed PDF with AttachKitStep-by-step guide to checking an AttachKit-signed PDF in your browser, reading the verdict banner, and re-verifying from a link, offline, or in bulk.
- Send for signature, explained: encrypted links, signer order, and email verificationHow AttachKit's send-for-signature flow works — the PDF travels only as ciphertext encrypted in your browser, multi-signer chains require email verification, links expire in 7 days, and anyone can check the signed result at /verify.
- Verify troubleshooting: when a signed PDF won't check outFixes for common Verify problems: missing proof blocks, password-protected files, modified-content failures, badge-link fetch errors, and skipped timestamp checks.