Chain of custody receipt

Source #3437

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.

TitleDefenseScoop and NBC News reporting
Original URLhttps://www.gao.gov/blog/snapshot-government-wide-contracting-fy-2024-interactive-dashboard
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-07-14
EntityChief Digital and Artificial Intelligence Office (CDAO)
Captured2026-04-09T14:22:19.115Z UTC
Hash computed at2026-04-09T14:22:19.115Z UTC
SHA-256eb9692261b2887a556aefae7ebc99d0062d64ae56c17f4031d1c157538970e41
Content length95 bytes
Content preview (first 800 chars) 
Pentagon's CDAO awarded contracts to xAI, OpenAI, Anthropic and Google for frontier AI projects

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/3437/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3437/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3437/receipt.json