From the Secure Fetch share menu, click on ‘Certificate’ to view each file’s preserved MAC (Modification, Access, and Create) times, along with the file hash. This is only available for Secure Fetches with Metadata Preservation.
You can also download the certificate.
Understanding Certificate of Authenticity
Each uploaded file has a unique hash generated using the latest secure hash algorithm. Generating a second hash to authenticate the system does not modify any metadata during the transfer. Generated hashes can also be independently verified using third-party hash calculators.