markdown source builds

Auto-generated via `{sandpaper}`
Source  : ab08f88
Branch  : main
Author  : Alex Ball <alex-ball@users.noreply.github.com>
Time    : 2025-08-07 12:34:55 +0000
Message : Merge pull request #186 from tmillenaar/main

Update reference to opening science book

Author: actions-user

md5sum.txt

@@ -11,6 +11,6 @@
 "episodes/05-github-pages.md" "b9592869f2774bab3b05bdc47df2ef2e" "site/built/05-github-pages.md" "2025-08-04"
 "instructors/instructor-notes.md" "a45553efc112e3823f231cc16c2da968" "site/built/instructor-notes.md" "2023-04-21"
 "learners/discuss.md" "95bb205074ca2133f2001f99bb405179" "site/built/discuss.md" "2023-10-17"
-"learners/reference.md" "4c0a1dfb2511d5b0a9997760b23bc184" "site/built/reference.md" "2025-08-06"
+"learners/reference.md" "41c463b456060d8759cda67abc9b7c90" "site/built/reference.md" "2025-08-07"
 "learners/setup.md" "16ed3b0e00be01484dbe516c26074eed" "site/built/setup.md" "2024-07-03"
 "profiles/learner-profiles.md" "60b93493cf1da06dfd63255d73854461" "site/built/learner-profiles.md" "2023-04-21"

reference.md

@@ -91,7 +91,7 @@ Git cheat sheet handouts:
 - [JiscMonitor/allapc](https://github.com/JiscMonitor/allapc)
 - [Python Programming for Humanities](https://www.karsdorp.io/python-course/)
 - [Code4Lib 2008 lightning talk – Git and distributed cataloging](https://galencharlton.com/blog/2008/03/code4lib-2008-lightning-talk-git-and-distributed-cataloging/)
-- [Open Science Guide](https://book.openingscience.org.s3-website-eu-west-1.amazonaws.com/)
+- [Opening Science](https://www.openingscience.org/get-the-book/)
 
 ## Further reading