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Legal tech · Web archiving · Self-hosted

Webichive

Web evidence you can stand behind.

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Webichive dashboard with total sites, storage used, sealed crawls, active legal holds and seal health
Year
2026
Status
Active
Role
Product design, architecture, backend and frontend engineering, security

Overview

When a website is evidence, a screenshot isn’t enough. Webichive captures entire sites as they were on a given day, seals the result so any later change is detectable, and keeps it all inside the customer’s own infrastructure.

Challenge

Law firms and compliance teams are asked to prove what a page said on a particular date. Screenshots are easy to dispute, hosted archives mean handing sensitive material to a third party, and European customers need German-language tooling, GDPR-ready retention and a clear chain of custody.

Solution

We designed Webichive as a stack the customer runs themselves. It crawls full sites and stores every page with dated full-page screenshots and extracted text, then seals each crawl with SHA-256 hashes, a Merkle root and a qualified timestamp. Everything lands in write-once storage with legal holds, retention rules and a hash-chained audit log. Search works in German and English, and one click produces an evidence report.

Product

  • 01Whole-site crawls with dated screenshots and extracted text
  • 02SHA-256, Merkle root and a qualified RFC 3161 timestamp on every crawl
  • 03Write-once storage with legal holds and retention rules
  • 04Full-text search in German and English
  • 05Evidence reports, case folders and data subject requests
  • 06Runs fully inside the customer’s infrastructure, air-gapped if needed
Webichive full-text search across archived pages with filters for site, date and seal status
Full-text search across every archived page, in German and English
Webichive crawl view listing captured pages, what changed and a button to generate an evidence report
A sealed crawl: captured pages, changes and a one-click evidence report

Technology

  • Go
  • Next.js
  • TypeScript
  • PostgreSQL
  • MinIO
  • Docker

System architecture

  1. 01Clients

    • Web panel
    • Evidence reports

  2. 02API

    • Go API
    • SSO and MFA

  3. 03Services

    • Orchestrator
    • Sandboxed crawler
    • Text extraction

  4. 04Data

    • PostgreSQL
    • Write-once object storage

Outcome

Built so a team can show what a site said on a given day, prove it hasn’t been altered, and hand the evidence to counsel or a court, without sending a byte to someone else’s cloud.