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Content Credentials

Check where an image comes from.

Every image exported from Reica says that it was made with AI, and by whom. Anyone can check it for free, with public tools and Reica's certificate below. No account needed.

In every exported file

Three markings, one image.

Built for the EU AI Act, Article 50, and the Commission's Code of Practice on marking AI-generated content.

AI metadata

An IPTC and XMP statement that the image was generated with AI and made with Reica, readable by any metadata tool.

Content Credentials

A C2PA manifest signed by Reica and time-stamped, describing in general terms how the image was made.

Invisible watermark

A mark in the pixels that still identifies a Reica image after its metadata has been removed.

How to check

Three steps.

  1. 1
    Open the image in a Content Credentials viewer

    Drop it on contentcredentials.org/verify, or from a terminal run c2patool image.jpg.

  2. 2
    Look for Reica as the signer

    The signer reads CN=Reica Content Credentials Signer, O=Reica, with a valid signature and a timestamp.

  3. 3
    Match the issuer with Reica's root certificate

    Compare it with the certificate and the fingerprint below, published only on getreica.com.

Reica's certificate

The root that signs every image.

Root CAReica Content Credentials Root CA, valid until 2 November 2036
Signing certificateReica Content Credentials Signer, valid from 5 November 2026 to 4 November 2028, renewed every two years under the same root
SHA-256 fingerprint of the root8E:D4:3F:71:53:F7:83:B6:B4:F7:5E:B1:2B:F1:A1:72:40:24:75:29:F5:F1:7E:20:8B:2D:9C:F3:4D:17:55:AD
Download the root certificateDownload the chain

Check the file after downloading: openssl x509 -in reica-content-credentials-root.crt -noout -fingerprint -sha256 must print the fingerprint above.

Reading the result

What you may see.

“Signer not recognised” or “unknown source”. Validators list the certificate authorities on the C2PA Trust List. Reica's conformance with C2PA is in progress, so until it is complete the signer shows as not recognised. The signature and the timestamp still validate, and the issuer matches the root certificate above.

No Content Credentials found. Screenshots, many social networks and some editing tools remove metadata, and the manifest with it. The invisible watermark stays in the pixels. A checker that also reads the watermark is coming to this page.

No Reica marking at all. That is not proof the image was not made with AI, only that Reica did not mark it.

Removing or altering these markings is not allowed under Reica's Terms of Service.