Chain of custody receipt

Source #2625

Cryptographic attestation that the document below was captured in Goblin House's archive at the timestamp shown, with the hash listed. If the original URL goes dark or its content changes, this receipt remains as evidence of what the public record looked like at capture time.

TitleCNN report citing Cambridge Analytica formation
Original URLhttps://find-and-update.company-information.service.gov.uk/company/05514098
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2013-01-01
EntitySteve Bannon
Captured2026-04-08T17:29:39.369Z UTC
Hash computed at2026-04-08T17:29:39.369Z UTC
SHA-2567902b79eabd32261949008cf4281f04dea190d9067909b24466e53072bc780ce
Content length2,103 bytes
Content preview (first 800 chars)
SCL GROUP LIMITED overview - Find and update company information - GOV.UK

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Verifying this receipt

The hash above was computed as:

sha256( coalesce(url, '<no-url>') || '\n' || raw_content )

Anyone with a copy of the original document can verify the match:

  1. Take the URL field and the original document content.
  2. Concatenate url + '\n' + content and SHA-256 it.
  3. Compare to the SHA-256 row above.

Or POST the candidate content to /source/2625/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2625/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2625/receipt.json