Chain of custody receipt

Source #6385

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.

TitleopenDemocracy investigation and Cabinet Office procurement records
Original URLhttps://novaramedia.com/2026/03/24/palantir-has-been-awarded-yet-another-uk-government-contract/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2020-08-01
EntityCabinet Office (UK)
Captured2026-04-13T03:10:02.143Z UTC
Hash computed at2026-04-13T03:10:02.143Z UTC
SHA-256cde2aa4d0281a1a04dc54e95ad7e254450d0f59677fe43f7e3df29b32c60c30c
Content length124 bytes
Content preview (first 800 chars) 
Cabinet Office awarded Palantir a £27 million Border Flow Service contract in August 2020 for post-Brexit border monitoring

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/6385/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6385/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6385/receipt.json