Tectra

Prove the authenticity of images and videos. Whether captured by cameras, created by artists, or generated by AI — sign at the source, verify anywhere.

Verify an Image

Drop any image here to check if it was signed and who created it. Free, no account needed.

Drop an image here, or browse

PNG, JPEG, or WebP

Upload an image to see results

Cameras & Devices

Embed our signing agent into your camera pipeline. Every frame is signed at capture, proving authenticity from the source.

AI Providers

Sign AI-generated content with your org key. Make it easy to trace any image back to the model that created it.

Artists & Studios

Prove your work is original. Sign your creations with cryptographic proof that survives screenshots and re-uploads.

1. Sign at Source

Use our SDK, Docker agent, or API to sign content the moment it's created.

2. Anchor on Blockchain

Content hashes are recorded on Polygon, creating an immutable timestamped proof.

3. Verify Anywhere

Anyone can verify origin: "Camera X" or "AI Model Y" — free, no account needed.