https://slides.83430b3b7efdba7efceccf3a2f921042.r2.cloudflarestorage.com/slides/2024-09-26-scotland-is.pdf?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ec10ead7f75b8ebe2c26c47fcaff8649%2F20241108%2Fauto%2Fs3%2Faws4_request&X-Amz-Date=20241108T112452Z&X-Amz-Expires=172800&X-Amz-Signature=a369dd4dd91eafb7906d88e251e30955f892e46ac3e5b4e7483e133dbfc73bde&X-Amz-SignedHeaders=host&x-id=GetObject