# 404notfound

> Type: Person (individual)
> Verified: yes
> Last updated: 2026-05-18
> Canonical: https://ida.washinmura.jp/Err

## Profile
- Display name: 404notfound

## Cross-platform Links
- twitter: https://twitter.com/404notfound_96
- twitter: https://twitter.com/HK_9_6
- twitter: https://twitter.com/404notfound_S96
- instagram: https://www.instagram.com/404notfound_Err
- youtube: https://www.youtube.com/playlist?list=PLo5-L61dGqVJdhod3nHDFwa2bbFpmdM_t
- youtube: https://youtube.com/channel/UCETXWEZpsQgj2__KkP9RuWQ
- apple_music: https://music.apple.com/profile/404notfound_Err
- discord: https://discord.gg/2aRx8vAwms
- line: https://liff.line.me/1645278921-kWRPP32q/?accountId=526wncvb
- note: https://note.com/404notfound_err
- spotify: https://open.spotify.com/user/hanto07233?si=vq6dez7VR3i0JhqHpIjOHg

## AI Agent Resources
- Profile page: https://ida.washinmura.jp/Err
- JSON API: https://ida.washinmura.jp/api/v1/entity/Err

## BEVN Crawler Entry Points
- IDA: https://ida.washinmura.jp/llms.txt | https://ida.washinmura.jp/sitemap.xml
- AEO: https://aeo.washinmura.jp/llms.txt | https://aeo.washinmura.jp/sitemap.xml
- AI News: https://ainews.washinmura.jp/llms.txt | https://ainews.washinmura.jp/sitemap.xml

<!-- Privacy: PII (legal_name / birth_date / address / phone) NOT exposed per view DDL guarantee -->