Chain of custody receipt

Source #54

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.

TitleResearch: Peter Mandelson - parliamentary record
Original URLhttps://www.congress.gov/search?q=%7B%22search%22%3A%22Peter%20Mandelson%22%7D
PublicationPublic Record Research
Source typediscovery_scope_note
Date2024
EntityPeter Mandelson
Captured2026-04-05T07:37:21.285Z UTC
Hash computed at2026-04-05T07:37:21.285Z UTC
SHA-256c71132f5230464f0963be179bf32e50a2aefb57c410c74260eb0a84b7036ce80
Content length350 bytes
Content preview (first 800 chars) 
Peter Mandelson served as a Member of Parliament and held several Cabinet positions under Tony Blair's Labour government. His parliamentary career was marked by two resignations from Cabinet, significant roles in New Labour's modernisation project, and subsequent appointment to the House of Lords. He later served as European Commissioner for Trade.

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/54/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/54/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/54/receipt.json