Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/a/alsa-lib/alsa-lib_1.2.7.2-1_all.buildinfo Use metasnap for getting required timestamps Cannot get timestamps from metasnap: 404 (Not Found) Use snapshot for getting required timestamps Get source package info: alsa-lib=1.2.7.2-1 Source URL: http://snapshot.notset.fr/mr/package/alsa-lib/1.2.7.2-1/srcfiles?fileinfo=1 No source info found for alsa-lib-1.2.7.2-1