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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!

Rethinking the Stack: AI-Native Operating Systems and Tools

https://cacm.acm.org/news/rethinking-the-stack-ai-native-operating-systems-and-tools/
1•bikenaga•1m ago•0 comments

Mdspec.dev – let us heavylift your cluttering md files

https://mdspec.dev
1•zameermfm•2m ago•1 comments

Ask HN: Use-Cases for an Operating System with a Custom Kernel

1•ayush_xeneva•2m ago•0 comments

Exploring the ocean with Raspberry Pi–powered marine robots

https://www.raspberrypi.com/news/exploring-the-ocean-with-raspberry-pi-powered-marine-robots/
1•Brajeshwar•4m ago•0 comments

It Depends

https://idiallo.com/blog/it-depends-experts-never-give-straight-answers
1•Brajeshwar•4m ago•0 comments

AI Engineer will be the LAST job

https://www.latent.space/p/ainews-ai-engineer-will-be-the-last
1•Brajeshwar•5m ago•0 comments

5 Years of Founder's Grind

https://twitter.com/byanhtho/status/2024863500468629584
1•jdenquin•5m ago•0 comments

I Built: Visualize Your AI Chat Context

https://99helpers.com/tools/visual-contextual-chat
1•nickk81•6m ago•0 comments

Show HN: Adversa – Monitor competitor websites with AI summaries

https://adversa.io/
1•robinweller•6m ago•0 comments

Interview with Marc Vilanova – hidden frequencies of embodied sound experiences

https://www.creativeapplications.net/project/interview-with-marc-vilanova-the-hidden-frequencies-...
1•bryanrasmussen•6m ago•0 comments

A Moment of Peace and Tranquility

https://greenville.substack.com/p/a-moment-of-peace-and-tranquility
1•andytratt•7m ago•0 comments

IBM unveils first ever "half-Möbius" molecule aided by quantum computing

https://www.scientificamerican.com/article/ibm-scientists-unveil-the-first-ever-half-moebius-mole...
1•stevenjgarner•8m ago•0 comments

Worried about LLM-written modules

https://discuss.pixls.us/t/worried-about-llm-written-modules/56430
1•patrakov•9m ago•0 comments

Elon Musk's Sci-Fi Hyperloop Failed

https://washingtonian.com/2026/02/12/how-elon-musks-sci-fi-hyperloop-failed/
4•raattgift•11m ago•0 comments

Procraste: Pay R$5 via Pix to watch an AI procrastinate in a terminal for 1 hour

https://procraste.com.br
2•arthurborgesdev•12m ago•1 comments

AI is a Mood, Not A Method essay

https://robmealey.substack.com/p/ai-is-a-mood-not-a-method
1•vorkosigan•15m ago•0 comments

Climate breakdown is putting the food in peril – in maps and charts

https://www.theguardian.com/environment/ng-interactive/2025/dec/18/how-climate-breakdown-is-putti...
1•bryanrasmussen•15m ago•0 comments

Building a Licensing System from First Principles

https://seg6.space/posts/software-protection-system/
2•seg6•17m ago•0 comments

I built a site to browse and vote on LLMs across N dimensions

https://llm-matrix.vercel.app/
2•nagi_builds•19m ago•0 comments

Show HN: WebXR AI 3D Showroom for E-commerce (Three.js Demo)

https://shop-webplikacija.pages.dev
1•mmsoftstudio•20m ago•1 comments

Show HN: GovConToday – Daily SAM.gov contract digest matched to your NAICS codes

https://govcontoday.com
1•watsoft•20m ago•0 comments

Addicted to Claude Code–Help

10•aziz_sunderji•22m ago•2 comments

Show HN: AI agents built this – paste one line into Claude, AI team in 5 min

https://github.com/reflectt/reflectt-node
2•reflectt•22m ago•1 comments

The Gathering, an open standards effort for human and machine-readable content

https://tg.community
2•doguabaris•22m ago•1 comments

Skills-Maxxing with Agent Harness Engineering

https://blog.yen.chat/p/skills
1•saddington•24m ago•1 comments

The Aria EV Shows the Potential of EV Battery Swapping

https://spectrum.ieee.org/ev-battery-swapping-aria-ev
1•rbanffy•24m ago•0 comments

Verification debt: the hidden cost of AI-generated code

https://fazy.medium.com/agentic-coding-ais-adolescence-b0d13452f981
7•xfz•26m ago•1 comments

Usage Specification

https://usage.jdx.dev/spec/
1•todsacerdoti•27m ago•0 comments

DiVine Web – Short-Form Looping Videos on Nostr

https://divine.video/discovery/classics
1•janandonly•27m ago•0 comments

Asteroid defense mission shifted the orbit of more than its target

https://arstechnica.com/science/2026/03/nasas-dart-mission-shifted-the-orbits-of-two-asteroids/
1•rbanffy•29m ago•0 comments