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PlankDB – A Quantum-Powered Key-Value Store with Grover (Spring Boot)

https://github.com/swampus/plank-db
1•swampus•8mo ago

Comments

swampus•8mo ago
Hi HN!

We’ve built *PlankDB*, an experimental key-value database that supports quantum-powered search via Grover's algorithm.

It combines: - Quantum search using IBM Qiskit (Grover's Algorithm) - Java 17 + Spring Boot + Clean Architecture - RESTful API with Swagger - Support for local (simulated) and IBM remote quantum execution

The quantum part isn't just a gimmick — it performs a *probabilistic search* over inserted keys using Grover’s quadratic speedup. We also support classical search for comparison.

The project is fully open-source and actively maintained: https://github.com/swampus/plank-db

Would love your feedback — ideas, bugs, or quantum jokes are all welcome!

KPMG: USA dominates the race for AI – Europe just ahead of China

https://kpmg.com/de/en/home/media/press-releases/2026/01/kpmg-ai-ndex-shows-usa-dominates-the-rac...
1•xnhbx•5m ago•0 comments

Show HN: HeyTraders – Backtest crypto strategies using natural language

https://hey-traders.com
1•tnsqjahong•6m ago•0 comments

Rust-Gun: Turn Repo Chaos into a Locked-Down Rust Machine (CI/CD, Releases)

1•codingmstrx•7m ago•0 comments

Will I ever own a zettaflop?

https://geohot.github.io//blog/jekyll/update/2026/01/26/own-a-zettaflop.html
1•mefengl•8m ago•0 comments

MegaNova Studio: Character-first workspace for building consistent AI characters

1•jacenguyen•8m ago•0 comments

Show HN: PF4J-Plus – ServiceRegistry and EventBus for PF4J Plugin Systems

https://github.com/pf4j/pf4j-plus
1•decebals•11m ago•1 comments

We're turning vintage classical novel covers into T-shirts (side project)

https://pdmerch.com/
1•devrimco•11m ago•1 comments

Project planning tool is designed for developers

https://getfrostbyte.dev/
2•thamiltonsmith•12m ago•0 comments

Faster-Drying Paint and Better-Smelling Soap: AI Tries Product Development

https://www.wsj.com/tech/ai/faster-drying-paint-and-better-smelling-soap-ai-tries-product-develop...
4•thm•13m ago•0 comments

SRE Is Anti-Transactional

https://queue.acm.org/detail.cfm?id=3773094
5•thyrsus•17m ago•0 comments

Scottish independence accounts go dark after Iran internet blackout

https://web.archive.org/web/20260117184736/https://www.telegraph.co.uk/business/2026/01/12/scotti...
2•alibarber•19m ago•0 comments

Find competitors or similar tools by 3 AI agents

https://openagents.org/blog/posts/2026-01-10-walkthrough-creating-a-multi-agent-tool-with
3•snasan•26m ago•1 comments

Decoupling

https://www.investopedia.com/terms/d/decoupling.asp
6•downboots•26m ago•0 comments

How Big Tech killed literary culture The philistines are in charge now

https://unherd.com/2026/01/how-big-tech-killed-literary-culture/
4•taubek•26m ago•0 comments

Code Cleanliness On the origins of 'clean code'

https://kevlinhenney.medium.com/code-cleanliness-9400f263ae49
2•aivarsk•27m ago•0 comments

How are people handling paid external APIs for autonomous agents?

1•ArielBarack•28m ago•1 comments

Show HN: Claude Code Skill for generating any chart with natural language

1•twwch•30m ago•0 comments

Linux Conclave

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3•Tomte•38m ago•0 comments

Show HN: Qonvo – Group chat that visualizes your conversation as a live graph

https://qonvo.xyz
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Ask HN: Efficient Linux terminal output methods

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The Art of Engineering Management

https://taoem.com
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https://benwiser.com/unu/
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You are probably getting brain damage from all those Covid infections

https://synergies.substack.com/p/you-are-probably-getting-brain-damage
2•netfortius•43m ago•1 comments

AI Job Cuts Are Landing Hardest in Britain, Morgan Stanley Says

https://www.bloomberg.com/news/articles/2026-01-26/ai-job-cuts-are-landing-hardest-in-britain-mor...
3•monkeydust•49m ago•0 comments

AI Bruises Britain

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2•monkeydust•50m ago•0 comments

Understanding and Coding the Self-Attention Mechanism of LLMs from Scratch

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AI hallucinates. How do you keep it from fucking up automations?

4•Gioppix•56m ago•3 comments

LongCat Video – AI video generator for minutes-long 720p videos

https://longcat-video.org
3•charlie0simmon•1h ago•1 comments

Language

https://en.wikipedia.org/wiki/Language
1•downboots•1h ago•0 comments

Lessons learned from 10 years at Google

https://rahulrav.com/blog/10_years_at_google.html
1•rahulrav•1h ago•0 comments