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;Additional Considerations for Preservation | ;Additional Considerations for Preservation | ||
*Metadata: Embedding detailed metadata within files or in accompanying records is crucial for long-term preservation. Metadata should include information about the original document (e.g., title, creator, date), the scanning process (e.g., scanner model, settings, date of digitization), and rights information to ensure future usability. | *Metadata: Embedding detailed metadata within files or in accompanying records is crucial for long-term preservation. Metadata should include information about the original document (e.g., title, creator, date), the scanning process (e.g., scanner model, settings, date of digitization), and rights information to ensure future usability. | ||
*Storage and Redundancy: Preservation requires secure, redundant storage systems to protect against data loss. This includes maintaining multiple copies of master files in geographically dispersed locations, ideally on stable media like enterprise-grade hard drives or cloud storage with strong checksum validation to detect corruption. See [[Copy protection#Physical reliability vs. | *Storage and Redundancy: Preservation requires secure, redundant storage systems to protect against data loss. This includes maintaining multiple copies of master files in geographically dispersed locations, ideally on stable media like enterprise-grade hard drives or cloud storage with strong checksum validation to detect corruption. See [[Copy protection#Physical reliability vs. digital storage]] section for more information about this. | ||
*Migration and Format Stability: Digital preservation involves planning for format migration to prevent obsolescence. Formats like TIFF and PDF/A are preferred for their stability and widespread support, but ongoing monitoring of file format standards is necessary to ensure long-term accessibility. | *Migration and Format Stability: Digital preservation involves planning for format migration to prevent obsolescence. Formats like TIFF and PDF/A are preferred for their stability and widespread support, but ongoing monitoring of file format standards is necessary to ensure long-term accessibility. | ||
*Access Copies vs. Master Files: Preservation workflows typically involve creating high-quality master files (e.g., uncompressed TIFFs or PNGs) for long-term storage and lower-quality derivatives (e.g., JPEG, WebP, JPEG XR, or DjVu) for access. This balances preservation needs with practical considerations like storage space and ease of access for researchers or the public. | *Access Copies vs. Master Files: Preservation workflows typically involve creating high-quality master files (e.g., uncompressed TIFFs or PNGs) for long-term storage and lower-quality derivatives (e.g., JPEG, WebP, JPEG XR, or DjVu) for access. This balances preservation needs with practical considerations like storage space and ease of access for researchers or the public. | ||