Format
Acrobat PDF 1.1 - Portable Document Format
Summary
- Name
- Acrobat PDF 1.1 - Portable Document Format
- Version
- 1.1
- Identifiers
-
- MIME: application/pdf
- Apple Uniform Type Identifier: com.adobe.pdf
- PUID: fmt/15
- Format type
- Page Description
- Disclosure
- None
- Description
- Portable Document Format is a platform-independent format for representing formatted documents, developed by Adobe Systems Incorporated. It is the native format of Adobe’s Acrobat family of software products, version 1.1 corresponding to the release of Acrobat 2.0. PDF is based on, and shares the same imaging model as, the PostScript page description language. A PDF file comprises a Header section, a Body section containing the objects which make up the document, a Cross Reference Table, and a Trailer section. PDF files can contain a wide variety of content, including text, images, video and audio.
- File extensions
-
pdf - Source
- Digital Preservation Department / The National Archives
- Developed by
- Adobe Systems Incorporated
Relationships
- Has lower priority than
-
- Acrobat PDF/A - Portable Document Format 1a
- Acrobat PDF/X - Portable Document Format - Exchange 1:1999
- Acrobat PDF/X - Portable Document Format - Exchange 1:2001
- Acrobat PDF/X - Portable Document Format - Exchange 1a:2003
- Acrobat PDF/X - Portable Document Format - Exchange 2:2003
- Acrobat PDF/X - Portable Document Format - Exchange 3:2003
- Acrobat PDF/X - Portable Document Format - Exchange 1a:2001
- Acrobat PDF/X - Portable Document Format - Exchange 3:2002
- Acrobat PDF/A - Portable Document Format 2a
- Acrobat PDF/A - Portable Document Format 2b
- Acrobat PDF/A - Portable Document Format 2u
- Acrobat PDF/A - Portable Document Format 3a
- Acrobat PDF/A - Portable Document Format 3b
- Acrobat PDF/A - Portable Document Format 3u
- Acrobat PDF/X - Portable Document Format - Exchange PDF/X-4
- Acrobat PDF/X - Portable Document Format - Exchange PDF/X-4p
- Acrobat PDF/X - Portable Document Format - Exchange PDF/X-5g
- Acrobat PDF/X - Portable Document Format - Exchange PDF/X-5pg
- Acrobat PDF/X - Portable Document Format - Exchange PDF/X-5n
- Acrobat PDF/E - Portable Document Format for Engineering PDF/E-1
- Has priority over
- Is previous version of
- Is subsequent version of
Internal signatures
PDF 1.1
- Note
- BOF: %PDF-1.1 EOF (offset up to 1024 bytes): %%EOF
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
255044462D312E31- Endianness
- None
- Min Frag Length
- Absolute from EOF
- Offset
- 0
- Max offset
- 1024
- Byte Sequence
2525454F46- Endianness
- None
Changelog
-
Updated in V98
- Release date
- 27 October 2021
Acrobat PDF 1.1 - Portable Document Format: Given priority over MPEG 1/2 Audio Layer 3 fmt/134 due to rare clash condition.
-
Updated in V88
- Release date
- 27 September 2016
Acrobat PDF 1.1 - Portable Document Format: Gave priority over x-fmt/453 - TrueType Font. Suggested by Archives New Zealand.
-
Updated in V75
- Release date
- 17 July 2014
Acrobat PDF 1.1 - Portable Document Format: EOF offset increased in accordance with Adobe PDF documentation.
-
Updated in V60
- Release date
- 11 June 2012
Acrobat PDF 1.1 - Portable Document Format: Existing signature refined through PRONOM Research.
-
Updated in V58
- Release date
- 21 March 2012
Acrobat PDF 1.1 - Portable Document Format: Signature refined through PRONOM Research.
-
Updated in V49
- Release date
- 5 April 2011
Acrobat PDF 1.1 - Portable Document Format: Existing signature refined through PRONOM Research.
-
Updated in V38
- Release date
- 1 August 2010
Acrobat PDF 1.1 - Portable Document Format: Signature updated as part of DROID 5.0 research to improve efficiency