Free Proof Receipt
Log evidence that your work existed at a specific point in time. No account needed. Your manuscript is fingerprinted in your browser and never uploaded — and your receipt arrives by email.
Your file stays on your device. We compute a unique cryptographic fingerprint in your browser. Only the fingerprint is used to log your receipt — your manuscript is never uploaded or stored.
Your receipt is delivered to this email — that email is your record.
Drop your file here or click to browse
PDF, DOCX, TXT, FDX, or Fountain (max 50MB)
File is fingerprinted locally — never uploaded to our servers
This is a proof-of-existence proof receipt with no certificate or online verification. For a full Certificate of Authorship with encrypted storage, QR verification, and distribution tracking, see our paid plans.