Chain of custody receipt

Source #10437

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.

TitleMultiple government contracting news reports
Original URLhttps://www.peraton.com/news/peraton-awarded-2-8b-to-support-u-s-special-operations-command
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2018-06-01
EntityBooz Allen Hamilton
Captured2026-04-15T07:48:37.764Z UTC
Hash computed at2026-04-15T07:48:37.764Z UTC
SHA-256314149194dd24a63639b0c4489eda47a8e222bd34c892a5cd802ddbb2256a913
Content length228 bytes
Content preview (first 800 chars) 
SOCOM awarded Booz Allen Hamilton an $885 million contract in 2018 for eMAPS (Enterprise Machine Learning and Persistent Services), described as 'the single largest unclassified A.I. contract ever awarded by the U.S. government'

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/10437/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10437/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10437/receipt.json