Difference between revisions of "Metadata elements"

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[[Main Page]] > [[Development]] > [[:Category:Development documentation|Development documentation]] > Metadata elements
 
[[Main Page]] > [[Development]] > [[:Category:Development documentation|Development documentation]] > Metadata elements
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<div style="padding: 10px 10px; border: 1px solid black; background-color: #F79086;">This page is no longer being maintained and may contain inaccurate information. Please see the [https://www.archivematica.org/docs/latest/ Archivematica documentation] for up-to-date information. </div> <p>
  
 
This page identifies a minimum set of metadata elements designed to ensure authenticity and interoperability of preserved objects and to facilitate their retrieval.
 
This page identifies a minimum set of metadata elements designed to ensure authenticity and interoperability of preserved objects and to facilitate their retrieval.
  
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This process involves:
+
*[[METS]]
−
 
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*[[PREMIS]]
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# Using the InterPARES Chain of Preservation (COP) model and the CoP/PREMIS crosswalk to identify required elements for objects preserved by Archivematica
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*[[PREMIS metadata: original files]]
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# Analyzing existing metadata in the Archivematica AIP log files and METS.xml file in order to map them to METS and PREMIS elements
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*[[PREMIS metadata: normalized files]]
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# Comparing 1) to 2) in order to determine what gaps exist in Archivematica
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*[[PREMIS metadata: events]]
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# Filling in the gaps - eg by modifying workflow to produce and/or capture missing elements
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*[[PREMIS metadata: rights - 0.10]]
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# Structuring the required elements into the [http://wiki.fcla.edu:8000/TIPR/21 Repository eXchange Package (RXP) specification]
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*[[PREMIS/METS for scalability]]
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# Determining what metadata belongs in the DIP(s)
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*[[RDF/OWL]]
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==Map of Archivematica 0.6 metadata to PREMIS elements==
 
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{| border="1" cellpadding="10" cellspacing="0" width=90%
 
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| colspan="6" style="background-color:silver;"|'''Source: /data/logs/MD5checksum.txt'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced when quarantine period expires. Provides checksums for each object in the SIP. Note that if zipped files are present, a checksum is generated for the zipped file and not for each object within it.'''
 
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|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
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!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|Checksum
 
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|Object
 
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|1.5.2 Fixity
 
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|1.5.2.2 messageDigest
 
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|326e0206ae83f815e4be5f28464f6ac6
 
−
|-
 
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| colspan="6" style="background-color:silver;"|'''Source: /data/logs/filenameCleanup.log'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced when quarantine period expires, prior to unpacking of any zipped files. If prohibited characters were present in filenames, provides crosswalk between original and "cleaned up" filenames.'''
 
−
|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
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!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|Original filename
 
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|Object
 
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|1.6 originalName
 
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|none
 
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|Syllabus final.doc
 
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|-
 
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|Cleaned-up filename
 
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|Event
 
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|2.5.2 eventOutcomeDetail
 
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|2.5.2.1 eventOutcomeDetailNote
 
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|Syllabus_final.doc
 
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|-
 
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| colspan="6" style="background-color:silver;"|'''Source: /data/logs/virusScan.log'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced when ingested files are scanned for viruses and malware'''
 
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|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
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!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|Scan result
 
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|Event
 
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|2.5 eventOutcomeInformation
 
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|2.5.1 eventOutcome
 
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|OK
 
−
|-
 
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|colspan="6" style="background-color:silver;"|'''Source: /data/logs/fileUUIDs.log'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced after prohibited characters are removed from filenames and any zipped files have been unpacked. Provides a crosswalk between cleaned-up filenames and UUIDs.'''
 
−
|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
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!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
−
|-
 
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|Universal unique identifier (UUID)
 
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|Object
 
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|1.1 objectIdentifier
 
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|1.1.2 objectIdentifierValue
 
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|270bd067-0483-4c5f-bdec-f2cbd6e651aa
 
−
|-
 
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| colspan="6" style="background-color:silver;"|'''Source: /data/logs/FITS-[UUID]-[SIP].xml (FITS output reports)'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced when FITS tool identifies and validates formats and extracts technical metadata
 
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|-
 
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!style="width:20%"|FITS element
 
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!style="width:15%"|PREMIS entity
 
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!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|format
 
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|Object
 
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|1.5.4.1 formatDesignation
 
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|1.5.4.1.1 formatName
 
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|
 
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*Tagged Image File Format
 
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*Waveform Audio
 
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*Microsoft Powerpoint Presentation
 
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|-
 
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|version
 
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|Object
 
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|1.5.4.1 formatDesignation
 
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|1.5.4.1.2 formatVersion
 
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|6.0
 
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|-
 
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|externalIdentifier
 
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|Object
 
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|1.5.4.2 formatRegistry
 
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|1.5.4.2.2 formatRegistryKey
 
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|fmt/10
 
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|-
 
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|Size
 
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|Object
 
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|1.5 objectCharacteristics
 
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|1.5.3 size
 
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|125968
 
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|-
 
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|ImageWidth
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|2464
 
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|-
 
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|ImageHeight
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|3248
 
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|-
 
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|SamplesPerPixel
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|3
 
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|-
 
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|XResolution
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|300
 
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|-
 
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|YResolution
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|300
 
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|-
 
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|duration
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|0:2:26:16
 
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|-
 
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|bitDepth/bitsPerSample
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|16
 
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|-
 
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|sampleRate
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|48000.0
 
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|-
 
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|channels
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|2
 
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|-
 
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|aes:channelAssignment
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|
 
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*channelNum="0" mapLocation="LEFT"
 
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*channelNum="1" mapLocation="RIGHT"
 
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|-
 
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|VideoFrameRate
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|
 
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*30.0
 
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*29.97 fps
 
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|-
 
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|AspectRatio
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|1:1
 
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|-
 
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|PageCount
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|16
 
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|-
 
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|WordCount
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|876
 
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|-
 
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|Paragraphs
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|19
 
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|-
 
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|Slides
 
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|Object
 
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|1.4 significantProperties
 
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|1.4.2 significantPropertiesValue
 
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|27
 
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|-
 
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| colspan="6" style="background-color:silver;"|'''Source: /data/logs/normalization.log'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced during normalization to preservation and access formats'''
 
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|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
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!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|Name of normalization tool
 
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|Agent
 
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|3.2 agentName
 
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|none
 
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|FFmpeg version SVN-r19352-4:0.5+svn20090706-2ubuntu2.2
 
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|-
 
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|Event description
 
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|Event
 
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|2.2 eventType
 
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|none
 
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|Normalizing
 
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|-
 
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|Processing status
 
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|Event
 
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|2.5 eventOutcomeInformation
 
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|2.5.1 eventOutcome
 
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|Processing completed
 
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|-
 
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|Normalization result
 
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|Event
 
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|2.5.2 eventOutcomeDetail
 
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|2.5.2.1 eventOutcomeDetailNote
 
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|
 
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*Already in preservation format. No need to normalize.
 
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*No default normalization tool defined.
 
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*Output #0, wav, to '/tmp/MultimediaSIP-9ece5881-640e-4bdc-9863-4ff50046a0bd/objects/sample.wav': Stream #0.0: Audio: pcm_s16le, 8000 Hz, stereo, s16, 256 kb/s
 
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|-
 
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|colspan="6" style="background-color:silver;"|'''Source: /data/logs/MD5checksum.txtprepareAIP_check.log'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced after file normalization process. Checks that checksums for files in the SIP have not changed during normalization.'''
 
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|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
−
!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|Pass/fail notification
 
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|Event
 
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|2.5 eventOutcomeInformation
 
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|2.5.1 eventOutcome
 
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|
 
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*PASSED
 
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*FAILED
 
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|-
 
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| colspan="6" style="background-color:silver;"|'''Source: /data/logs/AIP.MD5checksum.txt'''
 
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|-
 
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|colspan="6" style="background-color:#E0FFFF;"|'''Process: Produced during BagIt process. Provides checksums for the AIP and for each original and normalized file in the AIP.'''
 
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|-
 
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!style="width:20%"|Description
 
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!style="width:15%"|PREMIS entity
 
−
!style="width:15%"|PREMIS semantic unit
 
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!style="width:15%"|PREMIS semantic component
 
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!style="width:35%"|Sample value(s)
 
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|-
 
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|AIP checksum
 
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|Object
 
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|1.5.2 Fixity
 
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|1.5.2.2 messageDigest
 
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|12b86e038bf0bddd5aba110c35f288b8
 
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|-
 
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|File checksum
 
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|Object
 
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|1.5.2 Fixity
 
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|1.5.2.2 messageDigest
 
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|326e0206ae83f815e4be5f28464f6ac6
 
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|-
 
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|}
 
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<br>
 
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==Mandatory PREMIS elements (mandatory semantic units + mandatory components)==
 
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{| border="1" cellpadding="10" cellspacing="0" width=90%
 
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|-
 
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|- style="background-color:#cccccc;"
 
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!style="width:10%"|'''Entity'''
 
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!style="width:20%"|'''Semantic unit'''
 
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!style="width:20%"|'''Semantic component'''
 
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!style="width:20%"|'''Present in Archivematica?'''
 
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|-
 
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|Object
 
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|1.1 objectIdentifier
 
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|1.1.1 objectIdentifierType
 
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|No
 
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|-
 
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|Object
 
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|1.1 objectIdentifier
 
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|1.1.2 objectIdentifierValue
 
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|Yes
 
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|-
 
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|Object
 
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|1.2 objectCategory
 
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|none
 
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|No
 
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|-
 
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|Object
 
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|1.5 objectCharacteristics
 
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|1.5.1 Composition level
 
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|No
 
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|-
 
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|Object
 
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|1.5.4 objectCharacteristics/format
 
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|Either 1.5.4.1 formatDesignation or 1.5.4.2 formatRegistry must be used
 
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|
 
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*1.5.4.1.1 formatName Yes
 
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*1.5.4.2.1 formatRegistryName No
 
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*1.5.4.2.2 formatRegistryKey Yes
 
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|-
 
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|Object
 
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|1.7 Storage
 
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|Either 1.7.1 contentLocation or 1.7.2 storageMedium must be used. However, "if the preservation repository uses the objectIdentifier as a handle for retrieving data, contentLocation is implicit and does not need to be recorded."
 
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|No, but retrieval may be managed through UUIDs.
 
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|-
 
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||Event
 
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|2.1 eventIdentifer
 
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|2.1.1 eventIdentifierType
 
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|No
 
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|-
 
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|Event
 
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|2.1 eventIdentifer
 
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|2.1.2 eventIdentifierValue
 
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|No
 
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|-
 
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|Event
 
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|2.2 eventType
 
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|none
 
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|Partial
 
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|-
 
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|Event
 
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|2.3 eventDateTime
 
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|none
 
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|Partial
 
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|-
 
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|Agent
 
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|3.1 agentIdentifier
 
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|3.1.1 agentIdentifierType
 
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|No
 
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|-
 
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|Agent
 
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|3.1 agentIdentifier
 
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|3.1.2 agentIdentifierValue
 
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|No
 
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|}
 
−
 
 
−
<br>
 
−
 
 
  
 
[[Category:Development documentation]]
 
[[Category:Development documentation]]

Latest revision as of 15:34, 11 February 2020

Main Page > Development > Development documentation > Metadata elements

This page is no longer being maintained and may contain inaccurate information. Please see the Archivematica documentation for up-to-date information.

This page identifies a minimum set of metadata elements designed to ensure authenticity and interoperability of preserved objects and to facilitate their retrieval.

Retrieved from "https://wiki.archivematica.org/index.php?title=Metadata_elements&oldid=13315"