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Aulvem

A solo studio for building & writing.

Build it. Write it down.

Aulvem is where I keep what I build on my own and the notes that came out of building it. The code, the things that tripped me up and how I solved them, the tools that actually earned their keep — written down as plainly as I can.

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Yasugoro — a real-price watcher that tells you when and where to buy

Yasugoro — a real-price watcher that tells you when and where to buy

Yasugoro is a price watcher that compares the real price (display price minus reward points) across Japanese marketplaces — Rakuten, Yahoo!, Amazon and others — and sends a Web Push when a staple you're watching actually gets cheaper. No login, used anonymously.

aulvem.com
Shōhyō (証憑) — verified ground truth for Japanese invoice, receipt & payment notice extraction

Shōhyō (証憑) — verified ground truth for Japanese invoice, receipt & payment notice extraction

A labeled evaluation dataset for measuring document-to-JSON extraction on Japanese invoices, receipts and payment notices — 6,000 records across three document types. Japanese-era dates, reduced vs standard tax, withholding, qualified-invoice rules, revenue stamps and payment deductions are arithmetically verified on the answer side. Free sample on Hugging Face.

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ABOUT

The Studio

Aulvem is a small product studio run by one person. The work covers UI design, Figma systems, Vue / Astro front-end, and Cloudflare-hosted delivery — all of which feeds into the templates, workspaces and datasets shipped on this site.

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