Sync fork main into upstream main (origin/main -> upstream/main)

src/404.md

@@ -0,0 +1,34 @@
+---
+title: "Page Not Found"
+permalink: /404.html
+skip_chartjs: true
+---
+
+## 404: Page Not Found
+
+The page you requested could not be found.
+
+Possible reasons:
+
+- The URL has a typo.
+- The page was moved or renamed.
+- You followed an outdated external link.
+
+### Helpful links
+
+- [Go to the ReproDB homepage]({{ '/' | relative_url }})
+- [Browse methodology pages]({{ '/methodology.html' | relative_url }})
+- [Browse systems conferences]({{ '/systems/' | relative_url }})
+- [Browse security conferences]({{ '/security/' | relative_url }})
+
+### Report a broken link
+
+If you expected this page to exist, please open an issue in the website repository:
+
+- [Create an issue on ReproDB/reprodb.github.io](https://github.com/ReproDB/reprodb.github.io/issues/new/choose)
+
+To help us fix it quickly, include:
+
+- The full URL that returned 404.
+- The page where you clicked the link (referrer URL).
+- A short note about what you expected to find.

src/about.md

@@ -1,10 +1,25 @@
 ---
-title: "Contribute"
+title: "About"
 permalink: /about.html
 skip_chartjs: true
 ---
 
-ReproDB is fully open source. We welcome contributions of all kinds!
+ReproDB and its underlying methodology are described in *ReproDB: An Open Platform for Discovering Research Artifacts and Analyzing their Evaluation in Security and Systems* by Vahldiek-Oberwagner, Bognar, and Signorello (ACM REP 2026).
+
+If you use ReproDB in your research, please cite:
+
+```bibtex
+@inproceedings{vahldiek2026reprodb,
+ author = {Vahldiek-Oberwagner, Anjo and Bognar, Marton and Signorello, Salvatore},
+ title = {ReproDB: An Open Platform for Discovering Research Artifacts and Analyzing their Evaluation in Security and Systems},
+ booktitle = {Proceedings of the ACM Conference on Reproducibility and Replicability (ACM REP)},
+ year = {2026}
+}
+```
+
+### Acknowledgements
+
+This project celebrates the work of **artifact authors** who go the extra mile to make research reproducible, and **artifact evaluation committees** (AE chairs and members) who invest time reviewing and certifying artifacts. Their contributions strengthen our scientific record. We thank the communities maintaining [sysartifacts](https://sysartifacts.github.io/) and [secartifacts](https://secartifacts.github.io/) for publishing detailed evaluation results. Inspired by [Systems Circus](https://nebelwelt.net/pubstats/) and [csrankings.org](https://csrankings.org/).
 
 ### Report Issues or Fix Bugs