Chain of custody receipt

Source #80863

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: EXOANALYTIC SOLUTIONS INC — Department of Defense contract HQ014711C7717 ($2.00M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_HQ014711C7717_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2011-09-22
EntityExoAnalytic Solutions
Captured2026-10-03T13:47:46.379Z UTC
Hash computed at2026-10-03T13:47:46.379Z UTC
SHA-25686fdeda67042fc7f3972184b9ba3024cb61f6d6f861eedb03d3e4e8451c0c497
Content length495 bytes
Content preview (first 800 chars) 
{
  "internal_id": 307237902,
  "Award ID": "HQ014711C7717",
  "Recipient Name": "EXOANALYTIC SOLUTIONS INC",
  "Award Amount": 1996185,
  "Description": "SBIR PHASE II RESEARCH AND DEVELOPMENT",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Missile Defense Agency",
  "Start Date": "2011-09-22",
  "End Date": "2015-03-14",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_HQ014711C7717_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/80863/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80863/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80863/receipt.json