Chain of custody receipt

Source #6158

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.

TitleDHS Acquisition Manual from December 2003
Original URLhttps://www.dhs.gov/procurement-awards-and-orders
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2003-12-19
EntityUS Immigration and Customs Enforcement (ICE)
Captured2026-04-12T23:20:40.902Z UTC
Hash computed at2026-04-12T23:20:40.902Z UTC
SHA-256c147e26f40db453f54f37c49386b5468538534209ab2d9aa7831df8e39ec22f4
Content length82 bytes
Content preview (first 800 chars) 
DHS agency code 7012 corresponds to U.S. Immigration and Customs Enforcement (ICE)

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/6158/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6158/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6158/receipt.json