Chain of custody receipt

Source #6454

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.

TitleInvestigation reports
Original URLhttps://www.thebureauinvestigates.com/stories/2021-02-24/revealed-data-giant-given-emergency-covid-contract-had-been-wooing-nhs-for-months
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2021-01-01
EntityPaul Howells
Captured2026-04-13T04:14:55.625Z UTC
Hash computed at2026-04-13T04:14:55.625Z UTC
SHA-256e1afc8aed6bfee926bb9df59a0962e83c4e6480f63aa63b46521d4da3006615f
Content length114 bytes
Content preview (first 800 chars) 
Paul Howells was leader of the National Data Programme for NHS Wales between 2018 and 2021 before joining Palantir

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/6454/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6454/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6454/receipt.json