Example of Bag-It file
Source-Organization: [Name of the organization where the resource was created]
Contact-Name: [Name of person who is responsible for the archiving process]
Contact-Email: [info-dch@uni-koeln.de]
Bagging-Date: [Creation date of BagIt]
Bag-Size: [Size of the BagIt]
Payload-Oxum: [octetstream sum]
External-Identifier: [XXX]
Bag-Group-Identifier: [XXX]
Internal-Sender-Identifier: [XXX]