Chain of custody receipt

Source #6378

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.

TitleISC China Report
Original URLhttps://members.parliament.uk/member/54/career
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2023-03-21
EntitySir Julian Lewis
Captured2026-04-13T03:09:10.404Z UTC
Hash computed at2026-04-13T03:09:10.404Z UTC
SHA-2568f077f75f4e6f390590dfd68fefbc7bb9dbd579d4ddb2c05759c33b5fa7bcc45
Content length197 bytes
Content preview (first 800 chars)
The ISC under Lewis criticized the UK's failure to extend oversight to the Investment Security Unit, calling this a 'serious concern' for parliamentary oversight of sensitive technology investments

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/6378/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6378/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6378/receipt.json