OpenQROpenETR resolver

Evidence for what follows

Check a digital artifact

Enter a digest or resolver URL, or upload the original file. OpenQR looks for signed Anchor Records without requiring an account.

Resolve a QR reference

Accepts a hexadecimal or Base64URL SHA-256 digest, a campaign resolver URL, or an OpenQR GS1 Digital Link.

Check an original file

Maximum size: 104857600 bytes. The file is sent to OpenQR to calculate its digest, then discarded. It is not published or stored on Blossom.

1

Identify

The QR reference resolves to the artifact’s SHA-256 byte identity.

2

Discover

Configured relays are queried for kind 1415 Anchor Records carrying that digest.

3

Verify

Event identifiers and signatures are checked before evidence is presented.