The command:
convert.exe image.jpg pdfa:image.pdf
produce a pdfa-2b file, not valid for these problems:
Validating file "image.pdf" for conformance level pdfa-2b
The XMP property 'xap:CreateDate' is not synchronized with the document information entry 'CreationDate'.
The XMP property 'xap:ModifyDate' is not synchronized with the document information entry 'ModDate'.
A device-specific color space (DeviceRGB) without an appropriate output intent is used.
The document does not conform to the requested standard.
The document contains device-specific color spaces.
The document's meta data is either missing or inconsistent or corrupt.
Done.
Test executed with the online tool:
http://www.pdf-tools.com/pdf/validate-pdfa-online.aspx
It is possible to convert to valid PDF/A-1a format? How?
This file format is very important to archiving documents for long time.
Thanks