~seifferth https://relvokcor.xyz/~seifferth/ A hand-crafted rss feed listing my blog posts and articles. Is Signal Free Software? https://pagedout.institute/download/PagedOut_008.pdf#page=31 Tue, 17 Feb 2026 22:06:35 +0000 Using delta chat keys with notmuch https://relvokcor.xyz/~seifferth/blog/delta-chat-keys/ Wed, 22 Oct 2025 20:21:51 +0000 Re: Adding any external data to any PDF https://pagedout.institute/download/PagedOut_007.pdf#page=19 Fri, 03 Oct 2025 21:14:21 +0000 Combining pdf and zip proof of concept https://relvokcor.xyz/~seifferth/blog/pdf-zip-poc/ Tue, 24 Jun 2025 19:08:57 +0000 Removing Editing Restrictions from Office Documents https://pagedout.institute/download/PagedOut_004_beta1.pdf#page=62 Sat, 01 Jun 2024 14:29:00 +0000 Creating PDF/Plain Text Polyglots with LuaLaTeX https://pagedout.institute/download/PagedOut_003_beta1.pdf#page=26 Mon, 18 Dec 2023 08:32:13 +0000 On why this website is a pdf file https://relvokcor.xyz/~seifferth/blog/why-pdf/ Wed, 12 Apr 2023 20:36:03 +0000