1) The exact file name of the downloaded installation file. Apache_OpenOffice_4.1.9_MacOS_x86-64_install_en-US.dmg
2) The value of the downloaded signature/hash file. sha256 from download page: e6dfeee8c9c3efde129e644da115186cc81595b0d074d2c438deaaa2bbed0e1d sha512 from download page: d5f1ec837e6d69638d78e92436b23476fe8be761eff433258dac50e71ea800469683ce7096b60c54b344c83ebc12004e3a9c559135480935bdaefc2ae553b87b 3) The processed signature/hash from your computer. sha256 computed locally: 332132fa734020b048d677f615fd648a4437bc484612866394a5b045f56f2c41 sha512 computed locally: f4d278a3a659d5a0b5b0aa0d689e31b1f476e9627a0c2a77d9344a958c76a8bd644f7ff5ed218000eb6c214bbd4f0b25387392dc2d44e39e1e81fe856df6696a 4) The exact size of the installation file in byte. 176823470 5) Have you used a proxy server (yes/no)? No 6) The exact URL from the server from where the files was downloaded. https://sourceforge.net/projects/openofficeorg.mirror/files/4.1.9/binaries/en-US/Apache_OpenOffice_4.1.9_MacOS_x86-64_install_en-US.dmg/download NOTES: 1) This is on MacOS 10.15.7; I don't have GPG, so can't check those signatures. 2) AOO 4.1.8 download hashes match hashes on d/l page d/l file: Apache_OpenOffice_4.1.8_MacOS_x86-64_install_en-US.dmg from https://sourceforge.net/projects/openofficeorg.mirror/files/4.1.9/binaries/en-US/Apache_OpenOffice_4.1.8_MacOS_x86-64_install_en-US.dmg/download ). 3) I also downloaded the Debian tarball to same MacOS machine and hashes match