Chain of custody receipt

Source #80867

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.

TitleUSASpending.gov: PROJECT SYNTROPY INC — Department of Defense contract W5170123C0183 ($178.5K)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_W5170123C0183_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2023-09-02
EntitySyntropy
Captured2026-10-03T13:48:00.320Z UTC
Hash computed at2026-10-03T13:48:00.320Z UTC
SHA-2567830864bc3d40e08943da23f0ba00252cf5c992b2e6e312c6a0179b5f7c1eee3
Content length522 bytes
Content preview (first 800 chars) 
{
  "internal_id": 348983473,
  "Award ID": "W5170123C0183",
  "Recipient Name": "PROJECT SYNTROPY INC",
  "Award Amount": 178465,
  "Description": "873AUTHORITY SBIR PHASE I AWARD RESULTANT FROM SBIR 23.4 TOPIC A234-008",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Army",
  "Start Date": "2023-09-02",
  "End Date": "2024-01-01",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_W5170123C0183_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:

  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/80867/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80867/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80867/receipt.json