Which of the following can indicate the authenticity of a digital object?

Digital signatures play a crucial role in confirming the authenticity of a digital object. They function by providing a cryptographic assurance that the data has not been altered since it was signed. When a digital signature is applied to a digital object, it verifies that the object comes from a legitimate source and has not been tampered with. This assurance is vital in a digital environment where data integrity and authenticity are of utmost importance.

Digital signatures utilize public and private key cryptography, enabling users to verify the identity of the signer and the integrity of the signed data. This ensures that any alteration of the document after signing would invalidate the signature, alerting users to possible fraudulent changes.

While file size, creation date, and access logs can provide relevant context or information about a digital object, they do not inherently provide the same level of assurance regarding authenticity. File size may change with edits, creation date can be manipulated, and access logs only track interactions rather than confirm data integrity or origin. Therefore, digital signatures are the most robust indicator of a digital object's authenticity.