Chain of custody receipt

Source #80854

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: COPIOUS IMAGING LLC — Department of Defense contract N0016419P0510 ($55.3K)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_N0016419P0510_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2019-09-17
EntityCopious Imaging
Captured2026-10-03T13:47:45.273Z UTC
Hash computed at2026-10-03T13:47:45.273Z UTC
SHA-256bfa001081d2985f17e528008e6d4b6838755af90d42060283c01359bd7e4cb2d
Content length453 bytes
Content preview (first 800 chars) 
{
  "internal_id": 309755903,
  "Award ID": "N0016419P0510",
  "Recipient Name": "COPIOUS IMAGING LLC",
  "Award Amount": 55349,
  "Description": "DATA",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Navy",
  "Start Date": "2019-09-17",
  "End Date": "2021-09-25",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_N0016419P0510_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/80854/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80854/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80854/receipt.json