Chain of custody receipt

Source #80798

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 36C10B22N10070023 ($859.67M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_36C10B22N10070023_3600_VA11816D1007_3600/
PublicationUSASpending.gov
Source typecontract
Date2022-09-28
EntityBooz Allen Hamilton
Captured2026-10-03T13:47:25.279Z UTC
Hash computed at2026-10-03T13:47:25.279Z UTC
SHA-256ef987ef74e5cfceebbcd85b09617c0ecb01a5236c7de93929356127f39e196ef
Content length525 bytes
Content preview (first 800 chars) 
{
  "internal_id": 279969772,
  "Award ID": "36C10B22N10070023",
  "Recipient Name": "BOOZ ALLEN HAMILTON INC",
  "Award Amount": 859669885.97,
  "Description": "NEW TO - EHRM PMO IO SUPPORT",
  "Awarding Agency": "Department of Veterans Affairs",
  "Awarding Sub Agency": "Department of Veterans Affairs",
  "Start Date": "2022-09-28",
  "End Date": "2027-01-15",
  "awarding_agency_id": 561,
  "agency_slug": "department-of-veterans-affairs",
  "generated_internal_id": "CONT_AWD_36C10B22N10070023_3600_VA11816D1007_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/80798/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80798/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80798/receipt.json