SEPIA
Low-Background Archive · Phase 1
Demo mode — inputs are pre-filled and every button walks through a sample workflow. No real DNS or Wayback queries are made.

Certify your pre-2022 archive.

Wayback timestamp + DNS ownership challenge. One-line metadata, public verification URL.

  1. Domain
  2. DNS challenge
  3. URL
  4. Certificate

Step 1 · Register a domain