If an editor, reveiwer, or anyone assoicated with the jounral ever asked for a certificate, here's what we did in April 2026.
Start with Canva (https://www.canva.com/design/DAHILAzM_mo/yI431KAdJxIvMxo7sfXdOQ/edit?locale=en&ui=eyJBIjp7IkUiOnsiQSI6dHJ1ZX19fQ)
Open in Photoshop to add logo
Save as PDF
Certify with an invisible signature.
Below are examples: