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Show HN: Unicode Steganography https://ift.tt/KJQkSN4
Show HN: Unicode Steganography I built a demo of two Unicode steganography techniques, zero-width characters and homoglyph substitution, in the context of AI misalignment. The first is about the use of two invisible zero-width characters (ZWS and ZWNJ) to binary encode text. The second is much cooler. Most characters in the Latin and Cyrillic alphabets look nearly identical, but have different unicode. If you have text to encode and convert it into binary representation (1s and 0s), you could take plain english "carrier" text and for…
Show HN: Anos – a hand-written ~100KiB microkernel for x86-64 and RISC-V https://ift.tt/syb8v93
Show HN: Anos – a hand-written ~100KiB microkernel for x86-64 and RISC-V I pretty much always have a kernel project going on, and have been that way for decades. Over the past couple of years, that's been Anos, which has gotten further along than any of my previous hobby kernels, supporting IPC, multitasking, SMP (x86-64 only right now) and running on real hardware. LLMs (mostly Claude Code) have been used during development, but I learned early on that it's not _great_ at code at this level, so I've restricted its use to mostly do…
Show HN: Kept for the children and machines that come after https://ift.tt/vehWVMa
Show HN: Kept for the children and machines that come after This is the first mention of Latent Diaries in public, right here at HN https://ift.tt/a2MrqOm April 6, 2026 at 10:45PM
Show HN: ACE – A dynamic benchmark measuring the cost to break AI agents https://ift.tt/4pZMJDX
Show HN: ACE – A dynamic benchmark measuring the cost to break AI agents We built Adversarial Cost to Exploit (ACE), a benchmark that measures the token expenditure an autonomous adversary must invest to breach an LLM agent. Instead of binary pass/fail, ACE quantifies adversarial effort in dollars, enabling game-theoretic analysis of when an attack is economically rational. We tested six budget-tier models (Gemini Flash-Lite, DeepSeek v3.2, Mistral Small 4, Grok 4.1 Fast, GPT-5.4 Nano, Claude Haiku 4.5) with identical agent configs and an auto…
Show HN: I built a tool to show how much ARR you lose to FX fees https://ift.tt/juGIlET
Show HN: I built a tool to show how much ARR you lose to FX fees Hey HN, I started my career as a finance manager, transitioned into product management, and now I’m building my own products. Back in my finance days, while managing a £6M budget, I uncovered a £15k leak hiding in plain sight: FX fees. Today, I see solo founders making the exact same mistake. I realised most founders are quietly losing 2-5% of their revenue to what I call the Lazy Tax: - Stripe's ~2% auto-conversion fee on inbound revenue, - plus their local bank's ~3% sp…
Show HN: SeekLink – Local hybrid search and link discovery for Obsidian vaults https://ift.tt/QvaCHOy
Show HN: SeekLink – Local hybrid search and link discovery for Obsidian vaults https://ift.tt/tMsFRKk April 5, 2026 at 03:18AM
Show HN: Contrapunk – Real-time counterpoint harmony from guitar input, in Rust https://ift.tt/sO9VSKN
Show HN: Contrapunk – Real-time counterpoint harmony from guitar input, in Rust https://contrapunk.com/ April 5, 2026 at 03:40AM
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