Chain of custody receipt

Source #10193

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.

TitleKing's Fund institutional analysis
Original URLhttps://researchbriefings.files.parliament.uk/documents/CBP-9232/CBP-9232.pdf
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2022-04-01
EntityNHS England
Captured2026-04-14T01:06:50.620Z UTC
Hash computed at2026-04-14T01:06:50.620Z UTC
SHA-256a3b7d956904e673462a70ff866cc21e85187ff01e5f7531704ee0c14f1e1f608
Content length103 bytes
Content preview (first 800 chars) 
NHS England's budget is £147.8 billion in 2022/23, making it the largest of DHSC's arm's-length bodies

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/10193/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10193/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10193/receipt.json