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Format

Acrobat PDF/X - Portable Document Format - Exchange 1a:2003

Download XML

Summary

Name
Acrobat PDF/X - Portable Document Format - Exchange 1a:2003
Identifiers
  • MIME: application/pdf
  • PUID: fmt/146
Format type
Page Description
Description
This 'exchange standard' format is based on Adobe's PDF 1.4 (2003) specification and includes additional notes specifically for delivery of high quality colour advertisements. It is a subset of the PDF specification, and an application standard as well as a file format standard. It is seen as a 'more reliable' PDF file.
File extensions
pdf
Source
Digital Preservation Department / The National Archives

Relationships

Has priority over
Is subsequent version of
Is subtype of

Internal signatures

PDF/X-1a:2003

Note
BOF first 8 bytes: %PDF-1.4 Variable bytes: /GTS_PDFXVersion(PDF/X-1a:2003)

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
255044462D312E34
Endianness
None
Min Frag Length
Variable
Offset
None
Max offset
None
Byte Sequence
2F4754535F5044465856657273696F6E{0-1}285044462F582D31613A3230303329
Endianness
None

Changelog

  • Updated in V90

    Release date
    30 March 2017

    Acrobat PDF/X - Portable Document Format - Exchange 1a:2003: Gave priority over all parent Acrobat PDF versions. Issue raised by Archives New Zealand and State Records New South Wales.

  • Updated in V88

    Release date
    27 September 2016

    Acrobat PDF/X - Portable Document Format - Exchange 1a:2003: Gave priority over x-fmt/453 - TrueType Font. Suggested by Archives New Zealand.

  • Added in V62

    Release date
    28 August 2012

    Acrobat PDF/X - Portable Document Format - Exchange 1a:2003: Signature developed through PRONOM Research.