Guide 01
C2PA vs AI watermarking: what each tells you
Compare C2PA, AI watermarks, visible labels and AI detectors. Learn what each signal can establish, its limits, and what missing evidence means.
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Field guidesContent provenance / September 2026
Free educational resources
Understand the mark.
Read the evidence.
Plain-language guides to AI watermarking, C2PA, Content Credentials and the files you share.
Learn what each signal tells you, what it leaves unanswered, and how to check a PDF or presentation before relying on it.
Guide 02
Content Credentials, provenance and authenticity explained
Understand Content Credentials, digital provenance and content authenticity, then use a practical checklist to assess a signed file and its limits.
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PDF watermarking: visible labels and verifiable provenance
Learn how to add a visible PDF watermark in Acrobat, distinguish signatures from provenance, and check the file your recipients actually receive.
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PowerPoint and Keynote watermarks explained
Add repeating watermark text or a logo in PowerPoint and Keynote, learn the limits of slide layouts, and inspect your exported PDF before sharing.
Read guidePDFPresent the concepts to your team
Download the overview deck for an internal briefing, class or client conversation. Primary sources and speaker notes are included.
PowerPoint (.pptx)Presentation PDFApple Keynote can import PowerPoint files. This pack contains a PPTX, not a native .key file; Keynote rendering has not been tested. Check the imported layout before presenting. Apple import guidance.