Chain of custody receipt

Source #3448

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.

TitleWikipedia and SiliconANGLE reporting
Original URLhttps://alpha.sam.gov/entity-registration
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-07-14
EntityxAI
Captured2026-04-09T14:24:01.101Z UTC
Hash computed at2026-04-09T14:24:01.101Z UTC
SHA-256cff1fa0f3feaab3ed3c604dbd99d283befebca62133aa92d44eb8b8a9e2244aa
Content length121 bytes
Content preview (first 800 chars) 
On July 14, 2025, US Department of Defense announced that xAI had received a $200 million contract for AI in the military

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/3448/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3448/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3448/receipt.json