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

https://github.com/swampus/plank-db
1•swampus•9mo ago

Comments

swampus•9mo 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!

Italy ruling tells millions they have lost the right to citizenship

https://www.cnn.com/2026/03/14/travel/italy-citizenship-law-restrictions-constitutional-court
2•maxloh•2m ago•0 comments

How to write a good prompt for generating images

https://nanobananaprompt.club
2•w-mobai•5m ago•0 comments

LA's Tesla Diner is so dead, not even the tech bros are eating there

https://www.sfgate.com/la/article/tesla-diner-la-22071684.php
2•MilnerRoute•7m ago•0 comments

Study finds human aging happens in bursts

https://news.stanford.edu/stories/2024/08/massive-biomolecular-shifts-occur-in-our-40s-and-60s-st...
2•thunderbong•8m ago•0 comments

Become a Claude Certified Architect

https://anthropic.skilljar.com/claude-certified-architect-foundations-access-request
1•donutshop•9m ago•0 comments

Show HN: Kromacut – Open-source tool for multi-color 3D prints from images

https://github.com/vycdev/Kromacut
1•vycdev•9m ago•0 comments

I built a vocabulary trainer for people who read English books

https://www.vokabelwunder.de
1•zuzzl•10m ago•0 comments

Adobe to pay $75M to settle US lawsuit over hard-to-cancel subscriptions

https://www.dexerto.com/entertainment/adobe-to-pay-75m-to-settle-us-lawsuit-over-hard-to-cancel-s...
2•gregdoesit•11m ago•0 comments

Pi Day

https://en.wikipedia.org/wiki/Pi_Day
1•beardyw•20m ago•0 comments

Slashdot Is Down

https://slashdot.org
2•xtracto•20m ago•0 comments

How the world lives with AI [pdf]

https://static1.squarespace.com/static/631d02b2dfa9482a32db47ec/t/696fdc02d5b1030cb064d15a/176893...
1•Manheim•21m ago•1 comments

Curation and Its Side Effects

https://www.autodidacts.io/curators-skim/
2•Tomte•21m ago•0 comments

Meta reportedly plans layoffs as AI costs increase

https://www.theguardian.com/technology/2026/mar/13/meta-layoffs-ai
1•dilawar•22m ago•0 comments

Spago – Rewrite of PureScript Package Manager and Build Tool Hit Version 1.0

https://github.com/purescript/spago
1•TheWiggles•23m ago•1 comments

The Two Things That Will Transform Your Job Search in 2026

https://www.tumblr.com/login_required/wonderfullysacredtrap
2•Uniqu•26m ago•1 comments

The History of Soap

https://fakehistoryhunter.net/2026/03/14/the-history-of-soap/
1•beardyw•27m ago•0 comments

Amazon is regretting AI [video]

https://www.youtube.com/watch?v=0vvVo0Um1HY
2•kshri24•29m ago•1 comments

Identity of artist Banksy uncovered following investigation

https://www.rte.ie/news/2026/0313/1563268-banksy-reuters-investigation/
3•austinallegro•31m ago•0 comments

Claude AI Gets Weirdly Slow After 9 PM (I Noticed It While Reviewing Code)

2•Jeffrin-dev•34m ago•0 comments

Show HN: Mindease – AI Mental Health

https://mindease.zzstudio.io.vn/
1•magez•38m ago•0 comments

Show HN: Oareo – an iPhone app for scanning rooms into 3D using Lidar

1•gvs46•39m ago•0 comments

The banana is under threat [video]

https://www.youtube.com/watch?v=zOiWxHmkxCo
1•gmays•42m ago•0 comments

Scientists plan to transport volatile antimatter for first time

https://www.theguardian.com/science/2026/mar/14/please-drive-carefully-scientists-plan-to-transpo...
1•metabagel•44m ago•0 comments

Sage Math Cell – embed Sage computations into any webpage

https://sagecell.sagemath.org/
2•the-mitr•50m ago•0 comments

The End of Middleware: How AI Builders Are About to Disrupt an Industry

https://brianeisenberg.substack.com/p/the-end-of-middleware-how-ai-builders
1•bdetunk•55m ago•0 comments

Contribute to an Open-Source Project

2•vanashreengo•58m ago•0 comments

The Gap Between What AI Scores and What AI Ships

https://fromtheterminal.substack.com/p/the-gap-between-what-ai-scores-and
1•oldfamily•1h ago•0 comments

The Silicon Hegemon

https://www.eetimes.com/the-silicon-hegemon/
2•y1n0•1h ago•0 comments

Ask HN: 100k/year individual token usage?

2•alecsmart1•1h ago•0 comments

Overlay Bar Chart

https://ananthakumaran.in/2026/03/14/overlay-bar-chart.html
1•ananthakumaran•1h ago•0 comments