Thanks, Riley, unfortunately that is problematic due to the repository workflow, e.g. metadata may be very poor at point of document load, so cover sheet can't be done at that time. And even if cover sheets were dynamically generated at point of first publication of the record, the checksum at that point will be different to what it was when originally loaded, so the question of integrity still arises.
Bern
-----Original Message-----
From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of Riley Childs
Sent: Monday, 14 April 2014 11:43 AM
To: [log in to unmask]
Subject: Re: [CODE4LIB] Cover sheets and checksums
Could you dynamically generate them when a document is loaded? It would make changes a lot easier to have a script that adds a page prior to document load. Just a suggestion
Riley Childs
Student
Asst. Head of IT Services
Charlotte United Christian Academy
(704) 497-2086
RileyChilds.net
Sent from my Windows Phone, please excuse mistakes ________________________________
From: Bernadette Houghton<mailto:[log in to unmask]>
Sent: ý4/ý13/ý2014 7:22 PM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: [CODE4LIB] Cover sheets and checksums
We are currently considering the issue of cover sheets for our repository, but these don't seem to be compatible with the use of checksums/fixity.
Cover sheets may not necessarily be added at very first ingest into the repository, meaning that once they are, the checksum of the object will change. Maybe at some stage the cover sheet will be removed, for whatever reason; maybe down the track we'll want to change the coversheet. Lots of maybes here, all amounting to the fact that if we do use cover sheets, we'll no longer be able to rely on checksums to verify the integrity of an object.
Has anybody else considered this issue?
Bernadette Houghton
Library Business Applications Developer
Library
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Deakin University
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