Chain of custody receipt

Source #80853

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 HQ014719C7066 ($99.9K)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_HQ014719C7066_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2019-03-26
EntityCopious Imaging
Captured2026-10-03T13:47:45.258Z UTC
Hash computed at2026-10-03T13:47:45.258Z UTC
SHA-256410fdf5732b65261ade8aeb949788ccb0959f1073aedc8d2e5ff773d86c47c77
Content length566 bytes
Content preview (first 800 chars) 
{
  "internal_id": 307240161,
  "Award ID": "HQ014719C7066",
  "Recipient Name": "COPIOUS IMAGING LLC",
  "Award Amount": 99896.46,
  "Description": "SBIR/STTR PHASE I RESEARCH&DEVELOPMENT: NOVEL APPROACHES FOR ELIMINATING BIAS DRIFT IN INFRARED FOCAL PLANE ARRAYS",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Missile Defense Agency",
  "Start Date": "2019-03-26",
  "End Date": "2020-03-25",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_HQ014719C7066_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/80853/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80853/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80853/receipt.json