Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/m/maxima/maxima_5.45.1-7_all.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/maxima-5.45.1-7hy8x2g28/maxima_5.45.1-7_all.buildinfo Get source package info: maxima=5.45.1-7 Source URL: http://snapshot.notset.fr/mr/package/maxima/5.45.1-7/srcfiles?fileinfo=1 No source info found for maxima-5.45.1-7