Chain of custody receipt

Source #6356

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.

TitleUK Parliament written evidence document MOU0004
Original URLhttps://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/564952/Data-sharing-standards-of-op-practice-v1.pdf
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2018-01-01
EntityGovernment Internal Audit (GIA)
Captured2026-04-13T03:07:43.201Z UTC
Hash computed at2026-04-13T03:07:43.201Z UTC
SHA-256190b7a09e5740fd5d325e5d7415c83a556a81a04f0bf3323c7513ec945e1955b
Content length159 bytes
Content preview (first 800 chars)
Government Internal Audit was asked to conduct independent audit of NHS Digital-Home Office tracing service operations to ensure compliance with MOU provisions

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/6356/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6356/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6356/receipt.json