Chain of custody receipt

Source #1847

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.

TitleResearch: NHS England — Lobbying disclosures (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typegovernment_disclosure
Date2026
EntityNHS England
Captured2026-04-07T04:31:40.636Z UTC
Hash computed at2026-04-07T04:31:40.636Z UTC
SHA-2569bb87a690472bb191ab19b093dcf1ab510e339f3badedc404ac74771d8f8fe6f
Content length82 bytes
Content preview (first 800 chars) 
No Lobbying disclosures found for "NHS England" in public databases or web search.

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/1847/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1847/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1847/receipt.json