Chain of custody receipt

Source #3447

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 article on xAI
Original URLhttps://sam.gov/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-03-28
EntityX.AI Holdings Corp
Captured2026-04-09T14:24:01.095Z UTC
Hash computed at2026-04-09T14:24:01.095Z UTC
SHA-256ef14c3626bc67f4a40a507f7f70873d57a21f8f629795060aa8debe87f14a772
Content length80 bytes
Content preview (first 800 chars) 
Both xAI and X Corp were combined into a single entity called X.AI Holdings Corp

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/3447/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3447/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3447/receipt.json