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Stories from January 21, 2026 (UTC)
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1.Anthropic's original take home assignment open sourced (github.com/anthropics)
596 points by myahio 21 hours ago | 324 comments
2.EU–INC – A new pan-European legal entity (eu-inc.org)
695 points by tilt 13 hours ago | 648 comments
3.Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs (github.com/mastra-ai)
206 points by calcsam 1 day ago | 69 comments
4.The challenges of soft delete (atlas9.dev)
245 points by buchanae 1 day ago | 144 comments
5.cURL removes bug bounties (etn.se)
407 points by jnord 17 hours ago | 236 comments
6.RSS.Social – the latest and best from small sites across the web (rss.social)
227 points by Curiositry 21 hours ago | 53 comments
7.Which AI Lies Best? A game theory classic designed by John Nash (so-long-sucker.vercel.app)
187 points by lout332 1 day ago | 76 comments
8.Are arrays functions? (futhark-lang.org)
159 points by todsacerdoti 2 days ago | 131 comments
9.Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps) (github.com/chartgpu)
467 points by huntergemmer 9 hours ago | 141 comments
10.EmuDevz: A game about developing emulators (afska.github.io)
182 points by ingve 4 days ago | 40 comments
11.IPv6 is not insecure because it lacks a NAT (johnmaguire.me)
295 points by johnmaguire 1 day ago | 473 comments
12.Building Robust Helm Charts (willmunn.xyz)
69 points by will_munn 2 days ago | 11 comments
13.Libbbf: Bound Book Format, A high-performance container for comics and manga (github.com/ef1500)
99 points by zdw 19 hours ago | 65 comments
14.Nested code fences in Markdown (susam.net)
178 points by todsacerdoti 10 hours ago | 60 comments
15.The GDB JIT Interface (bernsteinbear.com)
67 points by surprisetalk 5 days ago | 9 comments
16.200 MB RAM FreeBSD desktop (vermaden.wordpress.com)
175 points by vermaden 3 days ago | 173 comments
17.Batmobile: 10-20x Faster CUDA Kernels for Equivariant Graph Neural Networks (elliotarledge.com)
84 points by ipnon 3 days ago | 11 comments
18.The percentage of Show HN posts is increasing, but their scores are decreasing (snubi.net)
191 points by plastic041 16 hours ago | 144 comments
19.Scientists find a way to regrow cartilage in mice and human tissue samples (sciencedaily.com)
236 points by saikatsg 5 hours ago | 64 comments
20.Ireland wants to give its cops spyware, ability to crack encrypted messages (theregister.com)
202 points by jjgreen 10 hours ago | 92 comments
21.Skip is now free and open source (skip.dev)
248 points by dayanruben 8 hours ago | 92 comments
22.Claude's new constitution (anthropic.com)
258 points by meetpateltech 7 hours ago | 229 comments
23.SETI@home is in hiberation (setiathome.berkeley.edu)
249 points by keepamovin 14 hours ago | 130 comments
24.Can you slim macOS down? (eclecticlight.co)
156 points by ingve 16 hours ago | 198 comments
25.Waiting for dawn in search: Search index, Google rulings and impact on Kagi (kagi.com)
198 points by josephwegner 6 hours ago | 130 comments
26.Stories removed from the Hacker News Front Page, updated in real time (2024) (github.com/vitoplantamura)
232 points by akyuu 11 hours ago | 161 comments
27.JPEG XL Test Page (tildeweb.nl)
154 points by roywashere 7 hours ago | 108 comments
28.RTS for Agents (getagentcraft.com)
96 points by summoned 5 days ago | 43 comments
29.SmartOS (smartos.org)
162 points by ofrzeta 8 hours ago | 68 comments
30.Who owns Rudolph's nose? (creativelawcenter.com)
43 points by ohjeez 23 hours ago | 22 comments

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