Chain of custody receipt

Source #80930

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: GOOGLE PUBLIC SECTOR LLC — Department of Defense contract HC105026F0018 ($2.44M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_HC105026F0018_9700_HC105023D0002_9700/
PublicationUSASpending.gov
Source typecontract
Date2026-06-08
EntityGoogle
Captured2026-10-03T13:49:13.128Z UTC
Hash computed at2026-10-03T13:49:13.128Z UTC
SHA-256e94b73aa2fb06f6035cd96a85eb6941d309b9a7730e3ed5a1eec37b727611c78
Content length500 bytes
Content preview (first 800 chars) 
{
  "internal_id": 362057208,
  "Award ID": "HC105026F0018",
  "Recipient Name": "GOOGLE PUBLIC SECTOR LLC",
  "Award Amount": 2444987.78,
  "Description": "NEPTUNE ENTERPRISE CLOUD",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Defense Information Systems Agency",
  "Start Date": "2026-06-08",
  "End Date": "2027-05-25",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_HC105026F0018_9700_HC105023D0002_9700"
}

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/80930/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80930/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80930/receipt.json