If I sound ignorant about disk images it's because I am, but trying to learn.
@elizabeengland We talked about this on Twitter, but seeing it on Mastodon, it reminds me that you have what seems like a rare opportunity to evaluate how the same imaging process can produce different data. I hope you publish what you find at least as a lightening talk or blog post in the future.
digipres.club is a space for folks interested in productive conversations about, well, digital preservation! If you enjoy talking about how to do memory work with computers, or even with cardboard boxes of old photos, you belong with us on digipres.club. Many of us are/were Twitter users looking for an inclusive and community supported approach to social media. If any of these things sound good to you, consider joining us now.