Presentation given by DRI Software Engineer Kathryn Cassidy as part of Open Repositories 2016 in Trinity College Dublin.

1. Kathryn Cassidy
Software Engineer, Digital Repository of Ireland
Trinity College Dublin

4. Moab
Directory
structure

5. Version Inventory
<?xml version="1.0" encoding="UTF-8"?>
<fileInventory type="version" objectId="j098zb08p" versionId="2" inventoryDatetime="2016-06-06T11:02:26Z" fileCount="5" byteCount="318290081" blockCoun
<fileGroup groupId="metadata" dataSource="/Users/kathryncassidy/src/dri-app/dri_files/data/j0/98/zb/08/j098zb08p/v0001/data/metadata" fileCount="4" byteC
<file>
<fileSignature size="2549" md5="c61143fda9241f07ed0bc893465f8ae1" sha1="0e77b267a33e7ba8bc33bd5b6cb5e495d5cafe48" sha256="2f6812bead547
<fileInstance path="descMetadata.xml" datetime="2016-06-06T11:02:26Z"/>
</file>
<file>
<fileSignature size="398" md5="b92d141bff0582d2c213f26536563c64" sha1="c66862f9009d4f015a11a46ea6589246b85912ef" sha256="4f19c8624268d51
<fileInstance path="permissions.rdf" datetime="2016-06-06T11:02:26Z"/>
</file>
<file>
<fileSignature size="2279" md5="264fba47b3759420ce8ce8a50f8c6db6" sha1="1b6d5e290abe637265cbf1ff54c028d685b3d768" sha256="019c2a42f1841f
<fileInstance path="resource.rdf" datetime="2016-06-06T11:02:26Z"/>
</file>
<file>
<fileSignature size="229" md5="a8a87b86cda191058ee7feb8d798503a" sha1="8bc51b52155ec0ee325f24122d5f2b9f54463f9c" sha256="7e5a1108bc8b39
<fileInstance path="properties.xml" datetime="2016-06-06T11:04:11Z"/>
</file>
</fileGroup>
<fileGroup groupId="content" dataSource="/Users/kathryncassidy/src/dri-app/dri_files/data/j0/98/zb/08/j098zb08p/v0001/data/content" fileCount="1" byteCount
<file>
<fileSignature size="318284626" md5="51fa1bb87fb63f2527cc50ffecded204" sha1="fa14622b89bcb27760648b7c192f018bf19de81f" sha256="18308eceaa
<fileInstance path=”sample-audio.mp3" datetime="2016-06-06T11:04:10Z"/>
</file>
</fileGroup>
</fileInventory>

6. Signature Catalog
<?xml version="1.0" encoding="UTF-8"?>
<signatureCatalog objectId="j098zb08p" versionId="2" catalogDatetime="2016-06-06T11:04:22Z" fileCount="6" byteCount="318290310" blockCount="310834">
<entry originalVersion="1" groupId="metadata" storagePath="descMetadata.xml">
<fileSignature size="2549" md5="c61143fda9241f07ed0bc893465f8ae1" sha1="0e77b267a33e7ba8bc33bd5b6cb5e495d5cafe48" sha256="2f6812bead5473
</entry>
<entry originalVersion="1" groupId="metadata" storagePath="permissions.rdf">
<fileSignature size="398" md5="b92d141bff0582d2c213f26536563c64" sha1="c66862f9009d4f015a11a46ea6589246b85912ef" sha256="4f19c8624268d517
</entry>
<entry originalVersion="1" groupId="metadata" storagePath="properties.xml">
<fileSignature size="229" md5="2a793511a2fe5a4002408e2bae8bbfe8" sha1="1484ecf35f3dc71dcc048f78da878862fefe3884" sha256="2515c969381c5411
</entry>
<entry originalVersion="1" groupId="metadata" storagePath="resource.rdf">
<fileSignature size="2279" md5="264fba47b3759420ce8ce8a50f8c6db6" sha1="1b6d5e290abe637265cbf1ff54c028d685b3d768" sha256="019c2a42f1841f7
</entry>
<entry originalVersion="2" groupId="metadata" storagePath="properties.xml">
<fileSignature size="229" md5="a8a87b86cda191058ee7feb8d798503a" sha1="8bc51b52155ec0ee325f24122d5f2b9f54463f9c" sha256="7e5a1108bc8b39e
</entry>
<entry originalVersion="2" groupId="content" storagePath=”sample-audio.mp3">
<fileSignature size="318284626" md5="51fa1bb87fb63f2527cc50ffecded204" sha1="fa14622b89bcb27760648b7c192f018bf19de81f" sha256="18308eceaafc
</entry>
</signatureCatalog>

7. Version Additions
<?xml version="1.0" encoding="UTF-8"?>
<fileInventory type="additions" objectId="j098zb08p" versionId="2" inventoryDatetime="2016-06-06T11:02:26Z" fileCount="2" byteCount="318284855" blockCou
<fileGroup groupId="metadata" dataSource="" fileCount="1" byteCount="229" blockCount="1">
<file>
<fileSignature size="229" md5="a8a87b86cda191058ee7feb8d798503a" sha1="8bc51b52155ec0ee325f24122d5f2b9f54463f9c" sha256="7e5a1108bc8b39
<fileInstance path="properties.xml" datetime="2016-06-06T11:04:11Z"/>
</file>
</fileGroup>
<fileGroup groupId="content" dataSource="" fileCount="1" byteCount="318284626" blockCount="310825">
<file>
<fileSignature size="318284626" md5="51fa1bb87fb63f2527cc50ffecded204" sha1="fa14622b89bcb27760648b7c192f018bf19de81f" sha256="18308eceaa
<fileInstance path=”sample-audio.mp3" datetime="2016-06-06T11:04:10Z"/>
</file>
</fileGroup>
</fileInventory>

8. File Inventory Difference
<?xml version="1.0" encoding="UTF-8"?>
<fileInventoryDifference objectId="j098zb08p" differenceCount="2" basis="v1" other="v2" reportDatetime="2016-06-06T11:04:22Z">
<fileGroupDifference groupId="metadata" differenceCount="1" identical="3" copyadded="0" copydeleted="0" renamed="0" modified="1" added="0" deleted="0"
<subset change="identical" count="3">
<file change="identical" basisPath="descMetadata.xml" otherPath="same">
<fileSignature size="2549" md5="c61143fda9241f07ed0bc893465f8ae1" sha1="0e77b267a33e7ba8bc33bd5b6cb5e495d5cafe48" sha256="2f6812bead54
</file>
<file change="identical" basisPath="permissions.rdf" otherPath="same">
<fileSignature size="398" md5="b92d141bff0582d2c213f26536563c64" sha1="c66862f9009d4f015a11a46ea6589246b85912ef" sha256="4f19c8624268d5
</file>
<file change="identical" basisPath="resource.rdf" otherPath="same">
<fileSignature size="2279" md5="264fba47b3759420ce8ce8a50f8c6db6" sha1="1b6d5e290abe637265cbf1ff54c028d685b3d768" sha256="019c2a42f1841
</file>
</subset>
<subset change="modified" count="1">
<file change="modified" basisPath="properties.xml" otherPath="same">
<fileSignature size="229" md5="2a793511a2fe5a4002408e2bae8bbfe8" sha1="1484ecf35f3dc71dcc048f78da878862fefe3884" sha256="2515c969381c54
<fileSignature size="229" md5="a8a87b86cda191058ee7feb8d798503a" sha1="8bc51b52155ec0ee325f24122d5f2b9f54463f9c" sha256="7e5a1108bc8b3
</file>
</subset>
<subset change="copyadded" count="0"/>
<subset change="copydeleted" count="0"/>
<subset change="renamed" count="0"/>
<subset change="added" count="0"/>
<subset change="deleted" count="0"/>
</fileGroupDifference>
<fileGroupDifference groupId="content" differenceCount="1" identical="0" copyadded="0" copydeleted="0" renamed="0" modified="0" added="1" deleted="0">
<subset change="added" count="1">
<file change="added" basisPath="" otherPath=”salmpe-audio.mp3">
<fileSignature size="318284626" md5="51fa1bb87fb63f2527cc50ffecded204" sha1="fa14622b89bcb27760648b7c192f018bf19de81f" sha256="18308ecea
</file>

9. Manifest Inventory
<?xml version="1.0" encoding="UTF-8"?>
<fileInventory type="manifests" objectId="j098zb08p" versionId="2" inventoryDatetime="2016-06-06T11:04:22Z" fileCount="4" byteCount="8034" blockCount="1
<fileGroup groupId="manifests" dataSource="/Users/kathryncassidy/src/dri-app/dri_files/data/j0/98/zb/08/j098zb08p/v0002/manifests" fileCount="4" byteCount
<file>
<fileSignature size="2853" md5="5235b7f01145a9b983f81dcf0c8befa9" sha1="46a3127d53b074905b2e049a685f8774fac95923" sha256="e09890bcbc14bb
<fileInstance path="fileInventoryDifference.xml" datetime="2016-06-06T11:04:22Z"/>
</file>
<file>
<fileSignature size="1952" md5="3a79851fb8648b1a58f21cd7d526fb02" sha1="2bf83f9ee132ceef4f2489d27b0796edf337737c" sha256="e02519dec4edd07
<fileInstance path="signatureCatalog.xml" datetime="2016-06-06T11:04:22Z"/>
</file>
<file>
<fileSignature size="1083" md5="ec6d89c6d787646535c6202b7fe8644f" sha1="1eaa746c8b4b37b8ec27dfd468c383a7f8667978" sha256="c2345050a2177
<fileInstance path="versionAdditions.xml" datetime="2016-06-06T11:04:22Z"/>
</file>
<file>
<fileSignature size="2146" md5="7ae887fdc3559e8c4ca1cab2a9092bc3" sha1="37c0b328192502af4ea3b0e162b2f5a81e08f452" sha256="e6b480db134b1
<fileInstance path="versionInventory.xml" datetime="2016-06-06T11:04:22Z"/>
</file>
</fileGroup>
</fileInventory>

10. Resources
• http://journal.code4lib.org/articles/8482
• https://github.com/sul-dlss/moab-versioning
• https://gist.github.com/hellbunnie/55d6dce0e026ce5f842ac81b8a9eb277

11. Thank you!
Repository.dri.ie
@dri_ireland
@angrybunnie