Chain of custody receipt

Source #1806

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: US Department of Homeland Security (DHS) — USASpending contracts (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typecontract
Date2026
EntityUS Department of Homeland Security (DHS)
Captured2026-04-07T04:28:41.941Z UTC
Hash computed at2026-04-07T04:28:41.941Z UTC
SHA-25685c5dfed77347a05506a8bded6175c89d2b893d8d55ca0a7cc7f8a3562de1eae
Content length112 bytes
Content preview (first 800 chars) 
No USASpending contracts found for "US Department of Homeland Security (DHS)" 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/1806/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1806/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1806/receipt.json