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A Recipe for Steganogravy

https://theo.lol/python/ai/steganography/seo/recipes/2026/03/27/a-recipe-for-steganogravy.html
34•tbrockman•5d ago

Comments

xianshou•1h ago
Even as someone extremely firmly on the other side of the AI debate, I must appreciate the craft.

Now, to give Claude the steganogravy skill...

cap11235•1h ago
Great way to hide your alchemical texts.
avidruntime•44m ago
Really enjoyed the design/theme of this site!
Groxx•40m ago
Ha! I've been thinking of this exact thing, and was curious how natural-looking the end result would be / how much you could compress the tokens by choosing less and less likely ones until it became obvious gibberish. I'm kinda surprised that it just sounds like normal slop at that density. Seems viable to use with "just" two bots chattering away at each other, and also occasionally sending meaningful packets.
canjobear•10m ago
In principle the output is arbitrarily natural-looking. The arithmetic coding procedure effectively turns your secret message into a stream of bits that is indistinguishable from random, the same as you pull out of your PRNG in normal generation.
davidanekstein•39m ago
now to decode the blog post’s hidden message
prophesi•31m ago
I first saw this implementation from a Harvard paper back when LLM's were still just a novelty[0]. Glad to see they got their demo site back up. Always thought it was a cool idea.

[0] https://github.com/harvardnlp/NeuralSteganography

konichiwAI•31m ago
for anyone who wants to try a consumer grade stegongraphy in browser. I built some thing here. Its free and loads a static page with a wasm binary. Once the page loads everything is handled in the browser.

You provide a carrier file (currently .mp4, .pdf, .jpeg or .png ) and impregnate it with an entire encrypted file system with a full viewer and gallery mode. Also supports streaming, so you can actually encrypt a a full blueray movie and run range requests.

https://hidefile.app

xpe•19m ago
Pro-tip from unfrozen caveman lawyer: "Your honor. My client want hide thing from t-rex lang mo-del. He have big brain. So he not put thing on Al Gore device with series of tubes. (Unlike many on modern-day BBS called Haxer News.) T-rex not eat what t-rex not find."

Marc Andreessen is wrong about introspection

https://www.joanwestenberg.com/marc-andreessen-is-wrong-about-introspection/
47•surprisetalk•40m ago•27 comments

Show HN: I built a frontpage for personal blogs

https://text.blogosphere.app/
201•ramkarthikk•2h ago•84 comments

Solar and batteries can power the world

https://nworbmot.org/blog/solar-battery-world.html
23•edent•40m ago•4 comments

Big-Endian Testing with QEMU

https://www.hanshq.net/big-endian-qemu.html
20•jandeboevrie•1h ago•10 comments

Samsung Magician disk utility takes 18 steps and two reboots to uninstall

https://chalmovsky.com/2026/03/29/samsung-magician.html
117•chalmovsky•4d ago•48 comments

Show HN: ctx – an Agentic Development Environment (ADE)

https://ctx.rs
25•luca-ctx•1h ago•24 comments

April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini

https://gist.github.com/greenstevester/fc49b4e60a4fef9effc79066c1033ae5
153•greenstevester•5h ago•65 comments

A Recipe for Steganogravy

https://theo.lol/python/ai/steganography/seo/recipes/2026/03/27/a-recipe-for-steganogravy.html
34•tbrockman•5d ago•9 comments

Show HN: Apfel – The free AI already on your Mac

https://apfel.franzai.com
409•franze•5h ago•87 comments

Decisions that eroded trust in Azure – by a former Azure Core engineer

https://isolveproblems.substack.com/p/how-microsoft-vaporized-a-trillion
987•axelriet•23h ago•450 comments

What Category Theory Teaches Us About DataFrames

https://mchav.github.io/what-category-theory-teaches-us-about-dataframes/
89•mchav•5d ago•24 comments

ESP32-S31: Dual-Core RISC-V SoC with Wi-Fi 6, Bluetooth 5.4, and Advanced HMI

https://www.espressif.com/en/news/ESP32_S31_Release
125•topspin•5d ago•65 comments

SSH certificates: the better SSH experience

https://jpmens.net/2026/04/03/ssh-certificates-the-better-ssh-experience/
51•jandeboevrie•5h ago•18 comments

NHS staff refusing to use FDP over Palantir ethical concerns

https://www.freevacy.com/news/financial-times/nhs-staff-refusing-to-use-fdp-over-palantir-ethical...
191•chrisjj•5h ago•62 comments

Critics say EU risks ceding control of its tech laws under U.S. pressure

https://www.politico.eu/article/fatal-decision-eu-slammed-for-caving-to-us-pressure-on-digital-ru...
131•nickslaughter02•4h ago•76 comments

TDF ejects its core developers

https://meeksfamily.uk/~michael/blog/2026-04-02-tdf-ejects-core-devs.html
73•janvdberg•3h ago•62 comments

What we learned building 100 API integrations with OpenCode

https://nango.dev/blog/learned-building-200-api-integrations-with-opencode/
48•rguldener•3d ago•7 comments

Tailscale's new macOS home

https://tailscale.com/blog/macos-notch-escape
510•tosh•20h ago•260 comments

U.S. fighter jet shot down in Iran, search underway for crew

https://www.axios.com/2026/04/03/iran-us-fighter-shot-down
14•hypeatei•29m ago•2 comments

Intel Assured Supply Chain Product Brief

https://www.intel.com/content/www/us/en/content-details/850997/intel-assured-supply-chain-product...
24•aw-engineer•4d ago•2 comments

Google releases Gemma 4 open models

https://deepmind.google/models/gemma/gemma-4/
1637•jeffmcjunkin•22h ago•434 comments

The True Shape of Io's Steeple Mountain

https://www.weareinquisitive.com/news/hidden-in-the-shadow
90•carlosjobim•5d ago•2 comments

Cursor 3

https://cursor.com/blog/cursor-3
483•adamfeldman•20h ago•355 comments

Artemis II's toilet is a moon mission milestone

https://www.scientificamerican.com/article/artemis-iis-toilet-is-a-moon-mission-milestone/
297•1659447091•1d ago•129 comments

Good ideas do not need lots of lies in order to gain public acceptance (2008)

https://blog.danieldavies.com/2004/05/d-squared-digest-one-minute-mba.html
315•sedev•21h ago•155 comments

Qwen3.6-Plus: Towards real world agents

https://qwen.ai/blog?id=qwen3.6
565•pretext•1d ago•195 comments

C89cc.sh – standalone C89/ELF64 compiler in pure portable shell

https://gist.github.com/alganet/2b89c4368f8d23d033961d8a3deb5c19
167•gaigalas•2d ago•52 comments

Category Theory Illustrated – Types

https://abuseofnotation.github.io/category-theory-illustrated/06_type/
15•boris_m•5h ago•0 comments

Bun: cgroup-aware AvailableParallelism / HardwareConcurrency on Linux

https://github.com/oven-sh/bun/pull/28801
18•tosh•3h ago•5 comments

I prefer OG style websites – what are yours?

6•gorfian_robot•24m ago•1 comments