✓ Evidence Archive · SHA-256 Provenance

Government data that survives deletion

We preserve what agencies delete, detect silent revisions, and attach a cryptographic fingerprint to every record — for journalists, researchers, and legal teams.

Example — Archived Record

Signal: economics.unemployment
Source: Bureau of Labor Statistics (BLS)
Snapshot date: 2025-01-10T14:00:00Z
Value: 3.7%
Status: ✓ Verified
SHA-256: a3f9c2…8b14e7 View record →

Who uses TruthBear

🎓

Researchers

Cite archived government data in peer-reviewed papers. BibTeX and RIS exports available. SHA-256 hash on every snapshot — RFC 3161 timestamps in Phase 1.

⎘ BibTeX example

📰

Journalists

Prove a dataset was deleted or silently revised. Embed verifiable signal widgets in articles — readers can independently confirm every number.

Browse signals →

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NGOs & Legal Teams

Build evidentiary records of regulatory data changes. Cryptographic provenance persists even when the original source is taken offline.

API access →