Chain of custody receipt

Source #6443

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 Julian Kelly's letter to NHS trusts
Original URLhttps://medium.com/@mikesathome/8-red-flags-why-palantirs-nhs-contract-threatens-uk-sovereignty-1f75bba21b96
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2023-03
EntityNHS England
Captured2026-04-13T04:14:06.887Z UTC
Hash computed at2026-04-13T04:14:06.887Z UTC
SHA-256878eaeeb1f9e3d592d8ea0de26621eebe04aea93715cf2d0d5b0b04f81238674
Content length190 bytes
Content preview (first 800 chars) 
NHS England instructed all English hospitals to share confidential patient information with Palantir through the 'Faster Data Flows' program, seemingly in breach of 2021 consultation pledges

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/6443/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6443/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6443/receipt.json