{"id":1524,"date":"2023-11-27T11:40:16","date_gmt":"2023-11-27T10:40:16","guid":{"rendered":"https:\/\/exponentialdecay.co.uk\/blog\/?p=1524"},"modified":"2023-12-20T20:37:04","modified_gmt":"2023-12-20T19:37:04","slug":"1524-2","status":"publish","type":"post","link":"https:\/\/exponentialdecay.co.uk\/blog\/1524-2\/","title":{"rendered":"A rough guide to digital preservation metadata"},"content":{"rendered":"<figure id=\"attachment_1525\" aria-describedby=\"caption-attachment-1525\" style=\"width: 529px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/uploads\/2023\/11\/md.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1525\" src=\"https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/uploads\/2023\/11\/md.png\" alt=\"\" width=\"529\" height=\"801\" srcset=\"https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/uploads\/2023\/11\/md.png 529w, https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/uploads\/2023\/11\/md-330x500.png 330w, https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/uploads\/2023\/11\/md-198x300.png 198w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><\/a><figcaption id=\"caption-attachment-1525\" class=\"wp-caption-text\">A rough guide to metadata<\/figcaption><\/figure>\n<p>A rough guide to metadata I published on <a href=\"https:\/\/twitter.com\/beet_keeper\/status\/590755852807761921\" target=\"_blank\" rel=\"noopener\">Twitter<\/a> once upon day and again in <a href=\"https:\/\/openpreservation.org\/blogs\/content-disposition-archival-repatriating-dates-on-access-to-born-digital-records-online\/\" target=\"_blank\" rel=\"noopener\">Content-disposition: Archival &#8211; Repatriating Dates on Access to Born-digital records online<\/a>. It provides a cheat-sheet to understanding why we have digital preservation systems that help us to control aspects of a digital object over the longest periods of time, e.g. the metadata that is described here as volatile that might change across <a href=\"https:\/\/en.wikipedia.org\/wiki\/Comparison_of_file_systems\" target=\"_blank\" rel=\"noopener\">file-system boundaries<\/a>. There is also metadata that we don&#8217;t (might not) need to be hands-on with that&#8217;s usually embedded in the digital object whereby if we maintain other tooling (<a href=\"https:\/\/exiftool.org\/\" target=\"_blank\" rel=\"noopener\">ExifTool<\/a>, <a href=\"https:\/\/ffmpeg.org\/\" target=\"_blank\" rel=\"noopener\">FFmpeg<\/a> for example) is always accessible if we can preserve a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bitstream#:~:text=A%20bytestream%20is%20a%20sequence,translation%20between%20bytestreams%20and%20bitstreams.\" target=\"_blank\" rel=\"noopener\">bytestream<\/a>. I think it holds up quite well as a rough guide, but what do you think?<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_1524\" class=\"pvc_stats total_only  \" data-element-id=\"1524\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\nA rough guide to metadata I published on Twitter once upon day and again in Content-disposition: Archival &#8211; Repatriating Dates&hellip;\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/exponentialdecay.co.uk\/blog\/1524-2\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;A rough guide to digital preservation metadata&rdquo;<\/span>&hellip;<\/a><\/div>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_1524\" class=\"pvc_stats total_only  \" data-element-id=\"1524\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/exponentialdecay.co.uk\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[86,3],"tags":[147,71,29,17],"class_list":["post-1524","post","type-post","status-publish","format-image","hentry","category-archives","category-digital-preservation","tag-digipres","tag-digital-preservation","tag-file-format","tag-file-formats","post_format-post-format-image","entry"],"a3_pvc":{"activated":true,"total_views":70,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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