Chain of custody receipt

Source #80806

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: LEIDOS, INC. — Social Security Administration contract 28321322FDS030130 ($1.31B)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_28321322FDS030130_2800_SS001760016_2800/
PublicationUSASpending.gov
Source typecontract
Date2022-06-30
EntityLeidos
Captured2026-10-03T13:47:28.287Z UTC
Hash computed at2026-10-03T13:47:28.287Z UTC
SHA-25647b02757bece88811b7e0fba3292099942825b4a29c07ff5777e0b8491a851eb
Content length514 bytes
Content preview (first 800 chars) 
{
  "internal_id": 279518686,
  "Award ID": "28321322FDS030130",
  "Recipient Name": "LEIDOS, INC.",
  "Award Amount": 1305112748.86,
  "Description": "ITSSC TASK ORDER FOR SYSTEMS",
  "Awarding Agency": "Social Security Administration",
  "Awarding Sub Agency": "Social Security Administration",
  "Start Date": "2022-06-30",
  "End Date": "2027-09-28",
  "awarding_agency_id": 539,
  "agency_slug": "social-security-administration",
  "generated_internal_id": "CONT_AWD_28321322FDS030130_2800_SS001760016_2800"
}

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/80806/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80806/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80806/receipt.json