Chain of custody receipt

Source #80881

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: TENNESSEE VALLEY AUTHORITY — Department of Defense contract 0042 ($5.53M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_0042_9700_F4065002D0022_9700/
PublicationUSASpending.gov
Source typecontract
Date2009-06-30
EntityTennessee Valley Authority
Captured2026-10-03T13:48:11.528Z UTC
Hash computed at2026-10-03T13:48:11.528Z UTC
SHA-256e45e51c4739304264b3e8bb3124f71a853a92ee1d95d661ef40f96b6505d442e
Content length487 bytes
Content preview (first 800 chars) 
{
  "internal_id": 273759471,
  "Award ID": "0042",
  "Recipient Name": "TENNESSEE VALLEY AUTHORITY",
  "Award Amount": 5527570,
  "Description": "ELECTRIC UTILITY FOR FY09 3RD QUARTER",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Air Force",
  "Start Date": "2009-06-30",
  "End Date": "2009-06-30",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_0042_9700_F4065002D0022_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/80881/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80881/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80881/receipt.json