Chain of custody receipt

Source #80850

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 FA864920C0265 ($997.7K)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_FA864920C0265_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2020-07-30
EntityCopious Imaging
Captured2026-10-03T13:47:45.210Z UTC
Hash computed at2026-10-03T13:47:45.210Z UTC
SHA-256ab3ed736fb9e964c6718a6eb4752f18bf8f84e6ae5613b6ae1b93b6b7a2c1706
Content length559 bytes
Content preview (first 800 chars) 
{
  "internal_id": 298561000,
  "Award ID": "FA864920C0265",
  "Recipient Name": "COPIOUS IMAGING LLC",
  "Award Amount": 997680,
  "Description": "COVID-19 DIB SBIR PHASE II MOBILE WIDE-AREA FEVER DETECTION THROUGH COMPUTATIONAL PIXEL INFRARED IMAGING",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Air Force",
  "Start Date": "2020-07-30",
  "End Date": "2021-08-30",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_FA864920C0265_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/80850/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80850/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80850/receipt.json