DTF:HN for July 12, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for July 12, 2026. Featuring: Vint Cerf, a “father of the Internet”, is retiring, Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase, Mesh LLM: distributed AI computing on iroh, Protobuf-py: Protobuf for Python, without compromises, Text art tools, and more. Stories covered: 1. Vint Cerf, a “father of the Internet”, is retiring https://techcrunch.com/2026/06/30/the-father-of-the-internet-is-finally-retiring/ HN discussion: https://news.ycombinator.com/item?id=48854168 2. Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase https://github.com/cosmtrek/mindwalk HN discussion: https://news.ycombinator.com/item?id=48878682 3. Mesh LLM: distributed AI computing on iroh https://www.iroh.computer/blog/mesh-llm HN discussion: https://news.ycombinator.com/item?id=48876505 4. Protobuf-py: Protobuf for Python, without compromises https://buf.build/blog/protobuf-py HN discussion: https://news.ycombinator.com/item?id=48827058 5. Text art tools https://hlnet.notion.site/text-art-tools HN discussion: https://news.ycombinator.com/item?id=48831384 6. An agent in 100 lines of Lisp https://thebeach.dev/posts/lisp-agent/ HN discussion: https://news.ycombinator.com/item?id=48823981 7. Show HN: Ant – A JavaScript runtime and ecosystem https://antjs.org HN discussion: https://news.ycombinator.com/item?id=48875377 8. Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom https://io-fund.com/ai-stocks/nvidia-coreweave-nebius-circular-financing-gpu-boom HN discussion: https://news.ycombinator.com/item?id=48873836 9. RISCBoy is an open-source portable games console, designed from scratch https://github.com/Wren6991/RISCBoy HN discussion: https://news.ycombinator.com/item?id=48876245 10. I Did Not Kill Stanley Lieber: How to Draw (With 9front) https://triapul.cz/automa/i_did_not_kill_stanley_lieber HN discussion: https://news.ycombinator.com/item?id=48846177