Chain of custody receipt

Source #80769

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: US ARMY TACTICAL SUPPLY LLC — Department of Defense contract N0018922PG081 ($243.6K)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_N0018922PG081_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2022-07-15
EntityUS Army
Captured2026-10-03T13:47:02.569Z UTC
Hash computed at2026-10-03T13:47:02.569Z UTC
SHA-256a4defc6029b4aeec4168b767bccb92e60d197fe90de43f815a88404ed3c8a2b5
Content length495 bytes
Content preview (first 800 chars) 
{
  "internal_id": 310034017,
  "Award ID": "N0018922PG081",
  "Recipient Name": "US ARMY TACTICAL SUPPLY LLC",
  "Award Amount": 243566.69,
  "Description": "GUARD SHACKS DURALUMINUM BUILDINGS",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Navy",
  "Start Date": "2022-07-15",
  "End Date": "2022-08-14",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_N0018922PG081_9700_-NONE-_-NONE-"
}

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/80769/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80769/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80769/receipt.json