Chain of custody receipt

Source #6353

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.

TitleUS Embassy London official website
Original URLhttps://www.dhs.gov/news/2022/03/31/readout-us-uk-joint-contact-group
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityUK Home Office
Captured2026-04-13T03:06:48.063Z UTC
Hash computed at2026-04-13T03:06:48.063Z UTC
SHA-2562c3dcb45f383ed05691021b48820326fe2067472a7a2ce17956d81211ddd3988
Content length210 bytes
Content preview (first 800 chars) 
DHS presence at the U.S. Embassy London includes Customs and Border Protection (CBP), Transportation Security Administration (TSA), and Immigration and Customs Enforcement (ICE) Homeland Security Investigations

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/6353/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6353/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6353/receipt.json