Chain of custody receipt

Source #6358

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.

TitleCBP press release
Original URLhttps://www.sra.org.uk/sra/how-we-work/what-we-do/memorandum-understanding/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2020-12-16
EntityRobert Wood Johnson
Captured2026-04-13T03:07:43.225Z UTC
Hash computed at2026-04-13T03:07:43.225Z UTC
SHA-256e219b80bb72342675f0b30a65ec274d29359c2018f0b799a6febd714631b69cf
Content length105 bytes
Content preview (first 800 chars) 
US Ambassador Robert Wood Johnson and UK Financial Secretary Jesse Norman signed the US-UK CMAA in London

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/6358/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6358/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6358/receipt.json