Timestamp your content with cryptographic proof. Protect your intellectual property with immutable, verifiable certificates.
Comprehensive content protection and verification tools.
Create cryptographic timestamps for any content. SHA-256 hashing with HMAC-SHA256 signatures.
Instantly verify content authenticity. Anyone can check a certificate with the UUID or content hash.
Get alerts when duplicate content is detected. Stay informed about potential unauthorized use.
RESTful API, WordPress plugin, webhooks. Seamlessly integrate with your existing workflow.
Check if content has been timestamped on ProofMark.
Three simple steps to protect your content.
Send your content or its SHA-256 hash through our API, dashboard, or WordPress plugin.
Receive a unique certificate with UUID, cryptographic signature, QR code, and downloadable PDF.
Anyone can verify your content's authenticity and timestamp using the public verification page.
Start free, scale as you grow.