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Show HN: Latent Logbook – Prompt Puzzles Built with Hapi.js and SQLite

https://latentlogbook.com
1•dhavalt•45m ago
Hi HN,

Longtime lurker here.

I built a tiny website called Latent Logbook. It's inspired by the spirit of Advent of Code, but focused on LLMs instead of algorithms.

The idea is simple: You get a puzzle (like parsing a messy log file), you solve it using any model you like, and then you share your strategy. The goal isn't just to solve them but to see how different models handle them. It's fascinating to see someone solve a task with a 7B parameter model, but it's even more insightful if someone pulls it off with a weird, tiny, quantized model running locally. (If anyone has ideas for new puzzles/traps to add, I’d love to collaborate.)

The Mechanics:

* Trust System: When you submit a solution, you get 5 Latents (points). We trust you to actually do the work.

* Archive: Solving a puzzle unlocks the shared log where you can see everyone else's prompts and models. The puzzles small and bite-sized so you don't have to burn a ton of tokens (or money) to participate.

* Upvotes: If you see a particularly clever prompt or a unique model choice, you can spend your Latents to upvote that solution.

* Technologies: Just server-side Hapi.js and Handlebars, backed by SQLite. It runs on a $5 VPS and is super lightweight.

It might crash and burn, but I think it’ll be fun to see what happens.

I’m stepping away for a bit but will be back to answer questions later.

Thanks for checking it out!

Show HN: Rephole, semantic code-search for your repos via REST API

https://github.com/twodHQ/rephole
1•riktar•46s ago•0 comments

OSHW: Small tablet based on RK3568 and AMOLED screen

https://oshwhub.com/oglggc/rui-xin-wei-rk3568-si-ceng-jia-li-chuang-mian-fei-gong-yi
1•thenthenthen•51s ago•1 comments

Show HN: Store Inspector – Free Chrome extension for Shopify competitor research

https://storeinspect.com
1•andersmyrmel•1m ago•0 comments

Why High Food Prices Will Make Public Groceries Inevitable

https://grocerynerd.substack.com/p/grocery-update-116-why-high-food
1•toomuchtodo•2m ago•0 comments

How to Benchmark C++ Code

https://codspeed.io/docs/guides/how-to-benchmark-cpp-code
4•art049•3m ago•0 comments

Diff of Claude Code system prompt over time

https://lukegil.github.io/claude-code-prompts/
1•lukegil626•4m ago•1 comments

Show HN: MCP Gateway – Unifying Access to MCP Servers Without N×M Integrations

https://www.truefoundry.com/mcp-gateway
1•supreetgupta•6m ago•0 comments

China's 1st reusable rocket explodes in fireball landing after reaching orbit

https://www.space.com/space-exploration/launches-spacecraft/chinas-1st-reusable-rocket-explodes-i...
2•perihelions•6m ago•0 comments

DNA analysis suggests first Australians arrived about 60k years ago

https://www.abc.net.au/news/science/2025-11-29/sahul-aboriginal-australia-65000-genetic-evidence/...
1•gmays•9m ago•0 comments

Real-world vector DB performance across the most popular providers

https://www.topk.io/blog/20251201-topk-bench
4•MarekDlugos•9m ago•1 comments

Code Walkthrough - Claude Code CLI and VS Code

https://codepointer.substack.com/p/claude-code-cli-bridging-terminal
1•ykhl1itj•11m ago•0 comments

Replace Your To-Do List with Interstitial Journaling to Increase Productivity

https://medium.com/better-humans/replace-your-to-do-list-with-interstitial-journaling-to-increase...
1•herbertl•11m ago•0 comments

London-based consumer tech company Nothing opens community investment

https://nothing.tech/community-investment-3
2•dukeyukey•13m ago•0 comments

Experience Shapes Extraordinary Beliefs

https://theconversation.com/flat-earth-spirits-and-conspiracy-theories-experience-can-shape-even-...
1•benrostike•14m ago•0 comments

Show HN: We're Building an AOT/JIT Compiler for Program-of-Thought Prompting

https://github.com/stanford-mast/a1
1•calebhwin•14m ago•0 comments

Modeling human character as an external broadcast signal

https://blog.satpugnet.com/p/quiet-echoes
1•sat13•14m ago•0 comments

Critical RCE Vulnerabilities in React and Next.js

https://www.wiz.io/blog/critical-vulnerability-in-react-cve-2025-55182
5•gonepivoting•17m ago•0 comments

Guy Built a Compact Camera Using an Optical Mouse

https://petapixel.com/2025/11/13/this-guy-built-a-compact-camera-using-an-optical-mouse/
1•PaulHoule•18m ago•1 comments

Nvidia open sources the synthetic data framework used to build Nemotron datasets

4•alexwatson405•18m ago•1 comments

Show HN: EV vs. ICE Breakeven Tool

https://carcosttool.com/ev-vs-ice-breakeven
1•sensecall•19m ago•0 comments

Arti 1.8.0 (Tor in Rust) released

https://blog.torproject.org/arti_1_8_0_released/
1•pixel_popping•19m ago•0 comments

RCE Vulnerability in React and Next.js

https://github.com/vercel/next.js/security/advisories/GHSA-9qr9-h5gf-34mp
3•rayhaanj•20m ago•1 comments

MinIO is now in maintenance-mode

https://github.com/minio/minio/commit/27742d469462e1561c776f88ca7a1f26816d69e2
12•hajtom•20m ago•2 comments

I built a timer I can't fail to set

https://danieldelaney.net/timer/
1•cryptophreak•20m ago•0 comments

GPT-5.1 Apply_patch.py Implementation

https://github.com/openai/openai-cookbook/blob/main/examples/gpt-5/apply_patch.py
1•victorbuilds•20m ago•1 comments

Ask HN: Who is building solo with AI?

1•kordlessagain•22m ago•2 comments

AI-powered surveillance firms Palantir and Dataminr in Gaza

https://www.972mag.com/ai-surveillance-gaza-palantir-dataminr/
3•photochemsyn•23m ago•0 comments

Industrial Policy: When Is Business the Government's Business?

https://www.factorysettings.org/p/an-argument-for-industrial-policy
1•surprisetalk•23m ago•0 comments

Retail-trader Eric Jackson says the crypto bear market is a maximum opportunity

https://www.businessinsider.com/bitcoin-price-eric-jackson-bullish-ethereum-crypto-btc-eth-ai-202...
1•miniruntimeb•23m ago•0 comments

Elon Musk Drove ~1/3 of Women Off Twitter

https://kevinmunger.substack.com/p/elon-musk-drove-13-of-women-off-twitter
3•surprisetalk•23m ago•0 comments