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PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...
PREservation Metadata: Implementation Strategies (PREMIS) is the de facto digital preservation metadata standard. [ 1 ] Digital preservation metadata defines the information that is needed to ensure the long-term usability of digital objects to keep them accessible in some form in the future.
Preservation metadata is external metadata related to a digital object created after a resource has been separated from its original creator, [2] with value-added. [1] The item-level data further stores technical details on the format, structure and uses of a digital resource, along with the history of all actions performed on the resource.
HTML Form format HTML 4.01 Specification since PDF 1.5; HTML 2.0 since 1.2 Forms Data Format (FDF) based on PDF, uses the same syntax and has essentially the same file structure, but is much simpler than PDF since the body of an FDF document consists of only one required object. Forms Data Format is defined in the PDF specification (since PDF 1.2).
The cornerstone of digital preservation, "data integrity" refers to the assurance that the data is "complete and unaltered in all essential respects"; a program designed to maintain integrity aims to "ensure data is recorded exactly as intended, and upon later retrieval, ensure the data is the same as it was when it was originally recorded".
Snap Inc. is an American technology company, founded on September 16, 2011, by Evan Spiegel, Bobby Murphy, and Reggie Brown based in Santa Monica, California.The company developed and maintains technological products and services, namely Snapchat, Spectacles, and Bitmoji.
UVC-based preservation is an archival strategy for handling the preservation of digital objects. It employs the use of a Universal Virtual Computer (UVC)—a virtual machine (VM) specifically designed for archival purposes, that allows both emulation and migration to a language -neutral format like XML .
A proprietary file format is a file format of a company, organization, or individual that contains data that is ordered and stored according to a particular encoding-scheme, such that the decoding and interpretation of this stored data is easily accomplished only with particular software or hardware that the company itself has developed.