Citable archive
A public, tamper-evident "official history" of Japanese public data, backed by an HMAC chain and external anchors. Pick any point in time to obtain a stable citation and an F-037 receipt a third party can verify.
Working examples (click to open the record)
- Subsidies · jgrants:a0WJ200000CDeXvMAL
- Public comments · egov:495260043
- Research grants · grant:jst:information-2026-08-1486
- Public tenders · bid:kkj:z292ny9qcmevmjayni8ymdi2mdkymv8wntk1mqo
- Sanctions · sanction:fsa:2430005003135-2026-06-13-1nskvyy
- Licenses · license:fsa-kinyushohin:関東財務局長(金商)第3537号
- Recalls · recall:caa:00000035853
- Pharma approvals · pharma:yakka:1319768Q1025
- Laws & ordinances · ordinance:egov:508CO0000000272
- Terms of service · tos:github:terms
- Real-estate prices · realestate:reinfolib:42-2025-Q3-1pfvov8
- Land prices · landprice:l01:47201-000-001
Go to the verification page →
The hash-chain proves records were not altered after being recorded here; it does NOT verify the truth of the underlying source data.