Frequently asked questions

Choose the file on the registry page. Its fingerprint is calculated in your browser, then compared with registered exports. The result indicates whether an exact match and the required trust evidence could be verified.

An ID lets you look up a certificate and its status. To verify the received document, you also need to compare the file. A badge image, a title or a screenshot does not replace this check.

An exact comparison covers every byte of the file. Any change, including formatting, can change its fingerprint. Ask the sender for the original export. A missing match does not prove that the text is false.

Check that the ID is complete and ask the sender for the official link. If the service is unavailable, try again later. A missing or unavailable result does not mean the certificate is verified.

A revoked certificate must no longer be treated as active. Check its status online and ask the sender for an up-to-date certificate and export.

It provides evidence about the recorded writing process and a manuscript version. It does not guarantee the absolute absence of AI, originality or copyright. It does not infer a text’s origin from its style.

For the check available here, the file stays on your device. Only its digital fingerprint is sent to the verification service. No draft or manuscript content is published in the registry.

The registry lists issued certificate IDs, their issue date and their status. It does not show private project titles or author identities. Each row links to the verification record.

Certificates are issued in the Plumelin application, depending on the writing-process evidence and service availability. This registry is for looking up and verifying issued certificates. Contact the team about access conditions.