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Old 12-29-2022, 04:10 PM   #5
DNSB
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Posts: 46,288
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
Quote:
Originally Posted by neuraltoxin View Post
I use the ISBN to look up the book metadata as I don't host any files on Koblime. I was under the impression that the UUID/GUID was randomly generated by Kobo each time the book is side-loaded. I'll double-check that it's indeed coming from the book metadata. I wonder what the kobo does if there is no uid in the metadata. Will run some experiments.

Thanks!
V1 UUID/GUIDs use a mix of fixed and random while a V4 uses completely random. V5 used a known namespace and an input string to generate an UUID/GUID.

See A Complete Guide to UUID Versions (v1, v4, v5) for more boredom.
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