Duff founded and led several businesses in the electronic document industry. Today, as CEO of the PDF Association, Duff coordinates its industry activities pertaining to the advancement and adoption of PDF technology. In addition to his PDF Association responsibilities Duff serves in technical roles as Project Leader for ISO 14289 (PDF/UA) and as Project co-Leader for ISO 32000 (the PDF specification). He also chairs the US Technical Advisory Committee (TAG) for ISO TC 171 SC 2, and serves as its Head of Delegation. He can be reached at duff.johnson@pdfa.org.
Duff founded and led several businesses in the electronic document industry. Today, as CEO of the PDF Association, Duff coordinates its industry activities pertaining to the advancement and adoption of PDF technology. In addition to his PDF Association responsibilities Duff serves in technical roles as Project Leader for ISO 14289 (PDF/UA) and as Project co-Leader for ISO 32000 (the PDF specification). He also chairs the US Technical Advisory Committee (TAG) for ISO TC 171 SC 2, and serves as its Head of Delegation. He can be reached at duff.johnson@pdfa.org.
The Portable Document Format is perhaps the most common example of a de facto standard, so much so that Wikipedia features PDF on its “de facto standards” page. From Ethernet and 802.11 to HTTP and …
As we reported yesterday, those in the crypto world are well-aware that Google and others have proven that SHA-1, the venerable cryptographic hash function standard, is dead. The consequences, however, are yet to be determined. …
The veraPDF consortium has completed PREFORMA’s prototyping phase, and has been awarded the contract for the final six month testing phase.
On World Standards Day 2021 the PDF Association celebrates PDF’s connection to the UN’s Sustainable Development Goals (SDGs).
Our Executive Director Duff Johnson gives some personally information about his experience with the “PDF universe” and much more.
Session Description: Everyone understands paper’s features, and how it “works”. For PDF, “full-function” isn’t really defined. 4 PDF experts will discuss under moderation from Duff Johnson, Executive Director of the PDF Association, how to encourage …
The Associated Files feature allows PDF 2.0 writers to provide additional information related to a PDF 2.0 object in a standardized and interoperable machine-readable manner.
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