Chain of custody receipt

Source #80770

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 N6883623P0129 ($156.6K)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_N6883623P0129_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2023-04-26
EntityUS Army
Captured2026-10-03T13:47:02.585Z UTC
Hash computed at2026-10-03T13:47:02.585Z UTC
SHA-256e41f3339c1b426694e9c505d78172d6910442733879d54b38b36df7bcdead0e4
Content length503 bytes
Content preview (first 800 chars) 
{
  "internal_id": 311179858,
  "Award ID": "N6883623P0129",
  "Recipient Name": "US ARMY TACTICAL SUPPLY LLC",
  "Award Amount": 156558.96,
  "Description": "LANDING SIGNAL OFFICERS (LSO) CARTS, 2 EA.",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Navy",
  "Start Date": "2023-04-26",
  "End Date": "2023-07-19",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_N6883623P0129_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/80770/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80770/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80770/receipt.json