Side N
What Actually Threatens a Digital Photo Archive
Which sources back which section of this article, and what its evidence base looks like.
Which sources back which section
| Section | Sources behind it |
|---|---|
| What Happened | Bernd Panzer-Steindel, CERN (2007); Backblaze’s Drive Stats for 2025; Google (Shimrit Ben-Yair, 2020); Romain Dillet, TechCrunch (2017); the NDSA’s Levels of Digital Preservation; SoftMaker’s photo-storage advice post; Backblaze’s account of the Code42 shutdown (Kari Wilson, 2026) |
| Timeline | Bernd Panzer-Steindel, CERN (2007); Romain Dillet, TechCrunch (2017); Google (Shimrit Ben-Yair, 2020); Backblaze’s account of the Code42 shutdown (Kari Wilson, 2026); the NDSA’s Levels of Digital Preservation; SoftMaker’s photo-storage advice post; the Library of Congress’s JPEG format description; the Library of Congress’s DNG format description |
| The Argument | IBM Support (Richard Hopkins); Starline Computer; Bernd Panzer-Steindel, CERN (2007); the OpenZFS documentation; the Btrfs documentation; the Library of Congress’s format-evaluation factors; the Library of Congress’s JPEG format description; the Library of Congress’s DNG format description; Google (Shimrit Ben-Yair, 2020); Romain Dillet, TechCrunch (2017); Backblaze’s account of the Code42 shutdown (Kari Wilson, 2026); SoftMaker’s photo-storage advice post |
| What Others Add | The Library of Congress’s format-evaluation factors; the Library of Congress’s JPEG format description; the Library of Congress’s DNG format description; the OpenZFS documentation; the Btrfs documentation; IBM Support (Richard Hopkins); Starline Computer; the NDSA’s Levels of Digital Preservation |
| Conclusion | Bernd Panzer-Steindel, CERN (2007); the OpenZFS documentation; the Btrfs documentation; the Library of Congress’s JPEG format description; the Library of Congress’s DNG format description; Google (Shimrit Ben-Yair, 2020); Backblaze’s account of the Code42 shutdown (Kari Wilson, 2026); Romain Dillet, TechCrunch (2017) |
What the evidence base looks like
- 14Sources behind this article
- 5Sections, every one of them sourced
- 14Read in full, none second-hand
- 2Primary measurements: one study, one fleet’s own data
| What the source is | How many | How they were read |
|---|---|---|
| Primary studies and measured data | 2 | Both read in full, one as a PDF report |
| News reporting | 1 | Read in full |
| Reference works and professional frameworks | 4 | All read in full; none shows more than a last-updated date or a month |
| Companies writing about their own products or their own field | 5 | All read in full; two carry no named author |
| Open-source project documentation | 2 | Both read in full; neither carries a byline, and one no date at all |
Reliable
Reliable, but with an interestWorth believing and reliableWeak on both, and used with careHonest, but thin
Worth believing