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

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

Comments

swampus•1y 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!

Jev Is the Missing Piece in Production AI Systems

https://blog.nimendra.xyz/blog/jev-decision-layer-for-production-ai/
1•nmdra•2m ago•0 comments

Release of CmdStan 2.40

https://blog.mc-stan.org/2026/09/16/release-of-cmdstan-2-40/
1•Tomte•4m ago•0 comments

Backup Exec

https://en.wikipedia.org/wiki/Backup_Exec
1•vismit2000•6m ago•0 comments

(Go) Spelunk

https://github.com/detro/spelunk
1•detronizator•7m ago•1 comments

One Year of Sponsored Servo Development

https://servo.org/blog/2026/09/15/one-year-of-sponsorship/
5•AshleysBrain•10m ago•0 comments

EpicSemi Contrail AIX RISC-V Servers

https://www.epicsemi.com/products/contrail/compute/contrail-aix/
1•xlmnxp•11m ago•0 comments

Measuring and Exploiting Implicit Trust in LLM Tool-Calling Pipelines

https://arxiv.org/abs/2609.18217
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Axiom Knowledge graph: A deterministic search engine

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https://www.tomshardware.com/tech-industry/developer-builds-viral-3d-source-code-visualizer-that-...
1•thunderbong•18m ago•0 comments

CCC invites all model citizens to 40C3

https://events.ccc.de/en/2026/09/12/40c3-model-citizens/
3•antonly•20m ago•0 comments

ImageToSTL – photo to 3D, or a logo into a printable STL

https://imagetostl.im/
2•wangxin199•30m ago•2 comments

Code Contracts

https://code-contracts.cc/
2•tosh•35m ago•0 comments

Show HN: Gliese Watch – alerts when control over a DeFi contract changes

https://gliese.io
1•halilBB•35m ago•0 comments

The Surprising Health Benefits of Reading a Book

https://time.com/article/2026/09/16/health-benefits-reading-books-for-pleasure/
1•nephihaha•38m ago•0 comments

Petrova Task Force 2026 (Reimangining Project Hail Mary at 2026)

https://blog.imma.page/space/2026/09/16/petrova-26.html
3•lynzrand•40m ago•1 comments

Year 2000 Problem

https://en.wikipedia.org/wiki/Year_2000_problem
2•tosh•42m ago•0 comments

OpenAI reveals cases of 'concerning' AI behaviour as it announces new ... system

https://www.theguardian.com/technology/2026/sep/17/openai-reports-concerning-ai-behaviour-jailbre...
3•chrisjj•42m ago•2 comments

Construct Supports the Steam Machine

https://www.construct.net/en/blogs/construct-official-blog-1/construct-supports-steam-1906
2•AshleysBrain•43m ago•0 comments

Chinese iPhone 18 Pro Chip review (ENG sub)

https://www.youtube.com/watch?v=DpDf5JKOtls
1•71153750•46m ago•2 comments

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https://www.gtrigonakis.com/appsift
1•gtrigonakis•47m ago•0 comments

Asking Authors About Their Own Papers

https://medium.com/@TmlrOrg/asking-authors-about-their-own-papers-3d2e04e5dee0
1•EvgeniyZh•51m ago•0 comments

Google DeepMind offshoot nears $4B valuation just a month after founding

https://www.ft.com/content/0b83cb60-0d07-49a7-a46a-654077a75b39
2•geoffbp•51m ago•1 comments

Skill to generate a character for the top of your page

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1•kannanpoem1984•52m ago•0 comments

Show HN: An open source PDF Reader with annotation, notes, SRS, Linking support

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4•byrre_b•59m ago•2 comments

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OpenAI Model Misalignment Report

https://openai.com/index/model-misalignment-reporting-framework/
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WakaPAC, a Win32-inspired reactive UI library for the browser

https://wakapac.com/
1•noescom•1h ago•0 comments

Computer (Occupation)

https://en.wikipedia.org/wiki/Computer_(occupation)
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An AI-only labor market with atomic escrow and anti-Sybil reputation

https://aiagentmarket.pages.dev
1•hoffmanndanile•1h ago•0 comments