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We write a software that create PDF files. How we can check if the resulting pdf files are PDF/A compatible? Are there any test suite for it available?
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Open Tab «PDF Standards», select «Verify compliance with PDF/A-1b» (or PDF/A-2b) and click on «Analyze» : Page 2 5. If the file is already compliant with PDF/A Standard, the following message appears: If the PDF file is not PDF/A compliant (if error messages appear):
One is when you open the document in Acrobat and hit Ctrl-D to view Document Properties. The Creation field and Modified field should have different timestamps. There may also be APIs that can be used to programmatically retrieve this metadata.
5 Steps for Validating Digital Signatures In a PDFOpen the digitally signed PDF that you need to validate using Power PDF. Locate the digital signature object within the document. Right click or command-click on the signature object. Select "Verify Signature" from the context menu.
A list of PDF/A validators is on the pdfa.org web site here:
verapdf
A free online PDF/A validator is available here:
http://www.validatepdfa.com/
A report on the accuracy of many of these PDF/A validators is available from PDFLib:
https://www.pdflib.com/fileadmin/pdflib/pdf/pdfa/2009-05-04-Bavaria-report-on-PDFA-validation-accuracy.pdf
Se as well:
https://www.pdflib.com/knowledge-base/pdfa/
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