Don't even need to change letters. Just add a line to a random page that says "This line was added because upload sites filter this book and want to restrict you from seeing it. Share this PDF where ever you can. <string of 16 random characters>"
Add that to a random page with a random string at the end for every site you upload it to, and it should be a different checksum for each one.
Don't even need to change letters. Just add a line to a random page that says "This line was added because upload sites filter this book and want to restrict you from seeing it. Share this PDF where ever you can. <string of 16 random characters>"
Add that to a random page with a random string at the end for every site you upload it to, and it should be a different checksum for each one.
(post is archived)