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Today, we will learn how to sign a PDF document with a certificate-based digital signature in docHub. Download docHub from its official website for free. To sign with a digital signature, you need a digital ID containing your name, email, organization info, serial number, and expiration date. In docHub, digital IDs are used to sign documents. To add or create a digital ID, go to Edit, Preferences, Signatures, More, Identities and Certificates, Digital IDs, and Add ID. You can also upload a digital ID file from your organization. Fill in your name, department, organization, and email to create a new digital ID.
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