Did a human make this?
…and protecting the copyright of online creators.
Human provenance across digital content. A-Tag marks what a real, present person (not a bot) uploaded, created, or published — signing a file with physiology, so authenticity travels with the content. The user can also tag files already present on their mobile device. A-Tag is a fully NIST compliant encryption product. A-Tag is fully auditable, stored on the blockchain, resists compression from all online posting & can be verified by the recipient.
Copyright for creators, signed by physiology.
As a person captures or decides to upload content, A-Tag reads their neuromuscular micro-vibrations and binds a unique, encrypted, physiological signature to that moment.
Capture
During ordinary creation, A-Tag senses human micro-vibrations from the device.
Sign
A physiology-derived tag is computed on-device and bound to the content. This crypto-tag is computed according to NIST standards.
Verify
Anyone can later check the unique tag to confirm a real human takes responsibility for the content.
Trust in the age of synthetic media.
- Proof of human copyright at the point of capture or upload
- On-device signing via physiology
- A portable tag that travels everywhere with the content and stored on the blockchain (Polygon)
- An app for users to prove they are behind their content
- SDK / API for creation tools and platforms
See how A-Tag works.
Watch a physiology-signed tag bind to a file at the moment of capture or upload.
Made by a Human?
A-Tag is cryptographic proof that a real person signed this file as their own, on their device, at a specific time.
Unforgeable, permanent, anchored to the Polygon blockchain. Stamp your own work to protect your copyright, and verify any A-Tagged file you receive.
No app needed to verify. Drop any file, see if it is signed.
Do not contribute to internet zombification. Ensure your work is yours.