Chain of custody receipt

Source #10219

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.

TitleDoD contract awards announcement
Original URLhttps://ecstech.com/ecs-insight/press-release/ecs-named-prime-contractor-on-125-billion-darpa-idiq-contract/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2023-10-06
EntityDARPA Technical and Analytical Support Services (TASS)
Captured2026-04-14T01:09:45.964Z UTC
Hash computed at2026-04-14T01:09:45.964Z UTC
SHA-25635662318856fef1d06e91eb2c0a7b2536a9f7f831d9dd4a24b70d52ec15136bb
Content length190 bytes
Content preview (first 800 chars) 
The six DARPA TASS contractors are Amentum Services Inc., Booz Allen Hamilton, ECS Federal LLC, ManTech SRS Technologies Inc., Strategic Analysis Inc., and Systems Planning and Analysis Inc.

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/10219/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10219/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10219/receipt.json