Chain of custody receipt

Source #80773

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.

Title	USASpending.gov: PARAGON SOLUTIONS, INC. — Department of Defense contract W9132T19C0003 ($2.37M)
Original URL	https://www.usaspending.gov/award/CONT_AWD_W9132T19C0003_9700_-NONE-_-NONE-/
Publication	USASpending.gov
Source type	`contract`
Date	2019-04-03
Entity	Paragon Solutions
Captured	2026-10-03T13:47:15.138Z UTC
Hash computed at	2026-10-03T13:47:15.138Z UTC
SHA-256	`ac627285158526f6406be13d9624c8266c1dbfcf527cb576f61402be8c655d36`
Content length	591 bytes

Content preview (first 800 chars)

{
  "internal_id": 350265623,
  "Award ID": "W9132T19C0003",
  "Recipient Name": "PARAGON SOLUTIONS, INC.",
  "Award Amount": 2368297,
  "Description": "BAA #18-008 \"AUTONOMOUS TRANSPORT INNOVATION: INTEGRATION OF AUTONOMOUS ELECTRIC TRANSPORT VEHICLES INTO A TACTICAL MICROGRID\" U435CFN",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Army",
  "Start Date": "2019-04-03",
  "End Date": "2020-04-04",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_W9132T19C0003_9700_-NONE-_-NONE-"
}

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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/80773/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80773/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80773/receipt.json