Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/p/python-tornado/python-tornado_6.1.0-3_all.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/python-tornado-6.1.0-3uq5v6vcq/python-tornado_6.1.0-3_all.buildinfo Get source package info: python-tornado=6.1.0-3 Source URL: http://snapshot.notset.fr/mr/package/python-tornado/6.1.0-3/srcfiles?fileinfo=1 No source info found for python-tornado-6.1.0-3