Hacker News on Tuesday, 30 June 2026

Stories posted this day, by points. Rank history starts with the October 2026 rebuild.

Screenshot of thereallo.dev: Claude Code is steganographically marking requests

Claude Code is steganographically marking requests (thereallo.dev)

2318 points by kirushik 3 months ago | 692 comments

Blog post reporting that inspecting Claude Code revealed hidden system prompt markers that vary based on the API base URL and the user's timezone.

claude-code anthropic steganography reverse-engineering

Screenshot of anthropic.com: Claude Sonnet 5

Claude Sonnet 5 (anthropic.com)

1219 points by marinesebastian 3 months ago | 751 comments

Anthropic's announcement page introducing the Claude Sonnet 5 AI model, dated June 30, 2026.

claude-sonnet-5 claude anthropic llm

Screenshot of twitter.com: Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5

Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5 (twitter.com)

889 points by Pragmata 3 months ago | 599 comments

Anthropic post on X announcing the Department of Commerce lifted export controls on Claude Fable 5 and Mythos 5, with access restoring the next day.

anthropic claude export-controls department-of-commerce

Screenshot of waag.org: European digital ID wallets rely on safety services of Google and Apple

European digital ID wallets rely on safety services of Google and Apple (waag.org)

650 points by donohoe 3 months ago | 279 comments

Waag Futurelab article arguing that European digital ID wallets depend on Google and Apple device attestation services, reinforcing Big Tech power.

eudi-wallet digital-identity google apple

Screenshot of europeancorrespondent.com: The US ambassador had Belgian police stop our reporting

The US ambassador had Belgian police stop our reporting (europeancorrespondent.com)

589 points by robtherobber 3 months ago | 238 comments

The European Correspondent reports that the US ambassador to Belgium had Belgian police stop its journalists from reporting at an event.

press-freedom journalism belgium us-diplomacy

Screenshot of claude.com: Claude Science

Claude Science (claude.com)

547 points by lebovic 3 months ago | 160 comments

Product page for Claude Science beta, an Anthropic desktop app that runs analyses, searches databases, and tracks research steps from data wrangling to publication.

claude anthropic ai-research-assistant scientific-research

Screenshot of libertystreeteconomics.newyorkfed.org: The labor share of income in the US is at its lowest post-war level

The labor share of income in the US is at its lowest post-war level (libertystreeteconomics.newyorkfed.org)

423 points by loughnane 3 months ago | 438 comments

A New York Fed Liberty Street Economics blog post analyzing the post-COVID decline in the US labor share of income.

labor-share macroeconomics federal-reserve new-york-fed

Screenshot of deepmind.google: Nano Banana 2 Lite

Nano Banana 2 Lite (deepmind.google)

417 points by minimaxir 3 months ago | 174 comments

Google DeepMind product page for Nano Banana 2 Lite, its fastest and lowest-cost Gemini image generation model, available in Google AI Studio.

nano-banana gemini image-generation google-deepmind

Screenshot of 404media.co: County with 37 Data Centers Asks Schools to 'Conserve Electricity'

County with 37 Data Centers Asks Schools to 'Conserve Electricity'(404media.co)

357 points by 01-_- 3 months ago | 153 comments

404 Media news article about Henrico County, Virginia, home to 37 data centers, asking schools to conserve electricity.

data-centers electricity energy-grid henrico-county

Screenshot of ngrok.com: I ported Kubernetes to the browser