Anshul Kumar's dev log: notes from building kernels, version control and security tooling, written while learning.https://blog-two-self-67.vercel.app/enhttps://blog-two-self-67.vercel.app/log/axiom-devlog-1/https://blog-two-self-67.vercel.app/log/axiom-devlog-1/From a multiboot header to a prompt: the path through boot.s, the GDT, IDT, PIC and serial port, and the single sti that turns interrupts on.Sun, 13 Sep 2026 00:00:00 GMTdevlogaxiomkernelx86cassemblyitsanshulkumar03@gmail.com (Anshul Kumar)https://blog-two-self-67.vercel.app/log/content-addressable-storage/https://blog-two-self-67.vercel.app/log/content-addressable-storage/Why an object's name can be the hash of its bytes. One 12-byte file, worked through SHA-256 and into Ark's object store, step by step.Tue, 08 Sep 2026 00:00:00 GMTteachhashinggitarkfundamentalsitsanshulkumar03@gmail.com (Anshul Kumar)https://blog-two-self-67.vercel.app/log/building-ark/https://blog-two-self-67.vercel.app/log/building-ark/Blobs, trees and commits in Ark, a Git-style version control system in C++: the object header, the SHA-256 address, zlib on disk, and what a branch switch does.Thu, 03 Sep 2026 00:00:00 GMTbuildarkgitc++internalsitsanshulkumar03@gmail.com (Anshul Kumar)https://blog-two-self-67.vercel.app/log/intern-to-csoc-engineer/https://blog-two-self-67.vercel.app/log/intern-to-csoc-engineer/A short timeline: an internship at Adobe in 2025, a CSOC internship at Thales in January 2026, and the engineer role from August.Sun, 30 Aug 2026 00:00:00 GMTjourneycareersecuritythalesadobeitsanshulkumar03@gmail.com (Anshul Kumar)