Add blog post for ULB Muenster datasafe go live (#238)

* Add blog post for ULB Muenster datasafe go live

* Fix image paths and style issues in the text

* Add short info on S3 storage

Author: SarahW91

src/assets/images/blog-posts/datasafe-dashboard.png

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+---
+title: "datasafe: Implementing a Dark Archive with InvenioRDM"
+author: Sarah Wiechers
+date: 2025-10-15
+team: InvenioRDM
+permalink: "/blog/2025-10-15-datasafe-uni-muenster.md/"
+---
+
+We've recently completed a major overhaul of our research data archive, datasafe, which is now built on InvenioRDM. 
+Our team at the University of Münster's University and State Library (ULB) has been working to implement this 
+open-source software, tailoring it to meet the specific needs of our researchers.
+
+datasafe is designed as a dark archive, where researchers can deposit their datasets for long-term preservation. 
+Once archived, the data will be retained for a minimum of 10 years, and up to 15 years, after which it will be 
+automatically deleted. To streamline the process, metadata can be easily imported from our local Current Research 
+Information System (CRIS).
+
+One of the key benefits of using datasafe is the ability for researchers to demonstrate compliance with funder 
+requirements for data storage. Upon archiving their data, users receive a certificate that confirms their datasets 
+have been securely stored, making it easier to report to funding agencies.
+
+A notable feature of our implementation is the heavily customized frontend, which provides a minimalist and modern 
+interface. By simplifying the user experience, we've created an intuitive platform that meets the unique needs of a 
+dark archive, where data is primarily stored for preservation purposes rather than dissemination. This approach allows 
+researchers to easily deposit and manage their data, while also ensuring the long-term integrity and authenticity of 
+the archived materials.
+
+Another significant improvement is the increased upload limit, now up to 5 TB in size. This community-driven 
+feature, which our team helped implement, enables researchers to upload large files directly through their web 
+browser into the underlying S3 storage backend, eliminating the former need for an SFTP server. This will greatly 
+benefit researchers working with large datasets, allowing them to archive and preserve their data in a single, 
+convenient location.
+
+By building on InvenioRDM, we're able to leverage a community-driven solution that is actively maintained and 
+developed by a global network of institutions and experts. We're pleased to be part of this community and look 
+forward to sharing our experiences and feedback to help shape the future of the platform.
+
+For those interested in learning more about our implementation of InvenioRDM, you can contact our team 
+at [[email protected]](mailto:[email protected])!
+
+![Customized datasafe dashboard with example records and drafts](/assets/images/blog-posts/datasafe-dashboard.png)
+
+![datasafe deposit form which only contains the sections "Files", "Access" and "Metadata" for simplified usage.](/assets/images/blog-posts/datasafe-depositform.png)