Privacy Policy
1. Controller
Responsible for data processing on this website is:
Dr. Jürgen Brauer
Wilhelm-Tell-Str. 7
87452 Altusried
Germany
Contact: dr.juergen.brauer@the-machine-learning-sketchbook.org
2. Data Protection Officer
No data protection officer has been appointed, as this is not required.
3. Hosting and Delivery (Cloudflare)
This website is hosted via Cloudflare Pages. Audio and video files are delivered via Cloudflare R2 Object Storage and Cloudflare’s content delivery network (CDN).
When you access the website, technical data may be processed, such as IP address, date and time of access, requested file, referrer URL, and user agent string. This data is processed to ensure security, stability, and efficient delivery of the website and media content.
Legal basis: Art. 6(1)(f) GDPR (legitimate interests in secure and efficient operation of the website).
Recipients: Cloudflare, Inc. processes this data as our hosting/CDN provider. Data may be processed in countries outside the EU/EEA. Where applicable, transfers are based on appropriate safeguards under Art. 46 GDPR (e.g., standard contractual clauses). You can request details and a copy of the safeguards from us.
4. Web Analytics (Cloudflare Web Analytics)
This website uses Cloudflare Web Analytics, a privacy-friendly analytics service provided by Cloudflare, Inc.
Cloudflare Web Analytics collects aggregated statistical data about the use of this website, such as page views, referring websites, country, device type, and browser information.
The analytics service operates without the use of cookies and does not store information on end-user devices. No personal identification of individual visitors takes place.
The processing is based on Art. 6(1)(f) GDPR (legitimate interest in analyzing and improving the website).
Cloudflare, Inc. acts as a data processor. Data may be processed in third countries, including the United States. Transfers are based on appropriate safeguards in accordance with Art. 46 GDPR (e.g., Standard Contractual Clauses).
5. Embedded Third-Party Services (Buy Me a Coffee)
This website integrates a widget provided by Buy Me a Coffee (Buy Me a Coffee, Inc.) to enable voluntary financial support.
When the page containing the widget is loaded, your browser establishes a direct connection to Buy Me a Coffee’s servers. In this process, technical data such as your IP address, browser type, operating system, date and time of access, referrer URL, and user agent string may be transmitted.
We have no influence on the scope of data processed by Buy Me a Coffee. Further information can be found in Buy Me a Coffee’s privacy policy.
The integration is based on Art. 6(1)(f) GDPR (legitimate interest in financing and supporting this website). If personal data is transferred to third countries (e.g., the United States), appropriate safeguards pursuant to Art. 46 GDPR may apply.
6. Storage Duration
We do not store server logs ourselves. Log data is retained by Cloudflare for as long as necessary to provide and secure the service, in accordance with Cloudflare’s retention policies, and then deleted or anonymized.
7. Your Rights
You have the right to request access to your personal data, to rectification or erasure, to restriction of processing, to data portability, and to object to processing, in accordance with the GDPR. To exercise these rights, contact us at the email above.
8. Right to Lodge a Complaint
You have the right to lodge a complaint with a supervisory authority. For Bavaria, this is the Bavarian State Office for Data Protection Supervision (BayLDA).
9. Requirement to Provide Data
The provision of technical access data is required to display the website and deliver media content. Without it, the site cannot be accessed.
10. Automated Decision-Making
We do not use automated decision-making or profiling.
11. Changes to This Policy
We may update this policy from time to time. The latest version will be posted on this page.
Last updated: February 12, 2026