Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/m/matplotlib/matplotlib_3.5.0-2_all.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/matplotlib-3.5.0-2pb8hyl7u/matplotlib_3.5.0-2_all.buildinfo Get source package info: matplotlib=3.5.0-2 Source URL: http://snapshot.notset.fr/mr/package/matplotlib/3.5.0-2/srcfiles?fileinfo=1 No source info found for matplotlib-3.5.0-2