Chain of custody receipt

Source #80796

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: BOOZ ALLEN HAMILTON INC — Department of Veterans Affairs contract 36C10B21N10150056 ($1.14B)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_36C10B21N10150056_3600_VA11816D1015_3600/
PublicationUSASpending.gov
Source typecontract
Date2021-01-08
EntityBooz Allen Hamilton
Captured2026-10-03T13:47:25.234Z UTC
Hash computed at2026-10-03T13:47:25.234Z UTC
SHA-256e45e8aeab184f7449889d063a2e08380a9ec03007ec86477d838f2be5c356ecf
Content length745 bytes
Content preview (first 800 chars)
{
  "internal_id": 279969338,
  "Award ID": "36C10B21N10150056",
  "Recipient Name": "BOOZ ALLEN HAMILTON INC",
  "Award Amount": 1139008033.13,
  "Description": "PRODUCT AND TECHNOLOGY ECOSYSTEM MANAGEMENT SERVICES (PTEMS)WHICH INCLUDES PRODUCT DELIVERY AND LIFECYCLE MANAGEMENT TO TRANSFORM VA BY TAPPING INTO EMERGING TECHNOLOGIES, CONNECTING DEVELOPERS WITH VA DATA, AND MAKING HUMAN CENTERED DESIGN (HCD).",
  "Awarding Agency": "Department of Veterans Affairs",
  "Awarding Sub Agency": "Department of Veterans Affairs",
  "Start Date": "2021-01-08",
  "End Date": "2025-04-15",
  "awarding_agency_id": 561,
  "agency_slug": "department-of-veterans-affairs",
  "generated_internal_id": "CONT_AWD_36C10B21N10150056_3600_VA11816D1015_3600"
}

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/80796/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80796/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80796/receipt.json