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

https://github.com/swampus/plank-db
1•swampus•10mo ago

Comments

swampus•10mo 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!

Japan to ban gene-edited embryos aimed at creating "designer babies"

https://english.kyodonews.net/articles/-/73964
1•randycupertino•48s ago•0 comments

Agents can't check their own work

https://frontierai.substack.com/p/agents-cant-check-their-own-work
1•yedava•1m ago•0 comments

Artemis II Flight Day 10: Crew Sets for Final Burn, Splashdown

https://www.nasa.gov/blogs/missions/2026/04/10/artemis-ii-flight-day-10-crew-sets-for-final-burn-...
1•js2•1m ago•0 comments

LLMs 'banchmark' where they write code controlling units in a 1v1 RTS

https://yare.io/ai-arena
1•levmiseri•1m ago•0 comments

May be the first year of a million CVEs

https://liam-on-linux.dreamwidth.org/98430.html
1•speckx•2m ago•0 comments

The Hypercurious Mind

https://aeon.co/essays/how-the-hypercuriosity-of-adhd-may-have-helped-humans-thrive
1•supermdguy•3m ago•0 comments

Indian Government seeks X Community Notes oversight with IT Rules tweaks

https://www.hindustantimes.com/india-news/government-seeks-x-community-notes-oversight-with-it-ru...
1•LordAtlas•5m ago•0 comments

Cypress vs. Playwright: Architecture Deep Dive

https://yatsushi.com/blog/cypress-vs-playwright/
1•jumbosushi•5m ago•0 comments

A New Wakamai Fondue

https://pixelambacht.nl/2026/a-new-wakamai-fondue/
1•robin_reala•6m ago•0 comments

A discrete structural grammar for financial markets – Kaggle competition

https://www.kaggle.com/competitions/ska-crypto-trading-bot-with-binance
1•quantiota•7m ago•0 comments

Two hundred chimpanzees are embroiled in a 'civil war'

https://www.scientificamerican.com/article/two-hundred-chimpanzees-are-embroiled-in-a-civil-war/
2•gscott•8m ago•0 comments

Peers vote to ban pornography depicting sex acts between stepfamily members

https://www.theguardian.com/society/2026/apr/10/porngraphy-depicting-sex-acts-between-stepfamily-...
3•azalemeth•8m ago•0 comments

BMW iX5 Hydrogen Gets New Flat Tank System, Range Up to 750 Km

https://www.bmwblog.com/2026/04/08/bmw-ix5-hydrogen-flat-tank-system-750-km-range/
1•akyuu•10m ago•0 comments

The AWS Lambda 'Kiss of Death'

https://shatteredsilicon.net/the-aws-lambda-kiss-of-death/
2•tkyjonathan•11m ago•1 comments

Ask HN: What Are You Working On? (April 2026)

1•niyazpk•11m ago•0 comments

Detecting multiple cancers and other diseases from a single blood sample

https://medicalxpress.com/news/2026-04-multiple-cancers-diseases-blood-sample.html
1•gmays•13m ago•0 comments

The Global Wildlife Trade Is Fueling the Spread of Viruses

https://e360.yale.edu/digest/wildlife-trade-disease
1•speckx•14m ago•0 comments

Show HN: I built an AI pipeline to turn Infosec talks into readable, quick blogs

https://greptalks.ai
1•csima•15m ago•0 comments

They thought Iran has no air defence

https://megam226.substack.com/p/they-said-iran-had-no-air-defenses
2•megam226•16m ago•0 comments

Engineering a Better Java Build Tool [video]

https://www.youtube.com/watch?v=OtsJ902k458
1•lihaoyi•17m ago•0 comments

Europe funds our brainwashing (Proton CEO warns) [video]

https://www.youtube.com/watch?v=RTCkiWju46o
1•chriswep•17m ago•0 comments

Built something I don't even know how to position anymore

https://www.indiehackers.com/post/built-something-i-don-t-even-know-how-to-position-anymore-dfbb5...
1•Damjanmb•18m ago•0 comments

Industrial design files for Keychron keyboards and mice

https://github.com/Keychron/Keychron-Keyboards-Hardware-Design
21•stingraycharles•20m ago•2 comments

Deep Thought: A Conversation with Wolf Biermann – Arte.tv Documentary

https://www.youtube.com/watch?v=7KG4_6vy3P4
1•doener•21m ago•0 comments

New Vulnerabilities in IBM WebSphere Liberty Can Lead to Full Server Compromise

https://www.oligo.security/blog/new-websphere-liberty-vulnerabilities
1•curmudgeon22•22m ago•0 comments

TurboQuant Pro – 27-41x embedding compression via PCA-Matryoshka

https://github.com/ahb-sjsu/turboquant-pro
2•ahb-sjsu•22m ago•0 comments

Claude Code is a vibe-coded mess. Some of it is good

https://blog.raed.dev/posts/claude_code_clever_ideas/
5•Raed667•23m ago•1 comments

Xclif: The file routing-based CLI framework

https://github.com/ThatXliner/xclif
1•thatxliner•23m ago•0 comments

Meta Pauses Work with Mercor After Data Breach Puts AI Industry Secrets at Risk

https://www.wired.com/story/meta-pauses-work-with-mercor-after-data-breach-puts-ai-industry-secre...
1•gmays•23m ago•0 comments

Deconstructing a Black Hole in a Fragment Shader

https://vaidikv.github.io/deconstructing-a-black-hole/
3•apson•25m ago•1 comments