Chain of custody receipt

Source #80859

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 FA255326CB006 ($2.95M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_FA255326CB006_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2026-01-01
EntityExoAnalytic Solutions
Captured2026-10-03T13:47:46.297Z UTC
Hash computed at2026-10-03T13:47:46.297Z UTC
SHA-256b1016bc1ff9a99f20f042c12a25718a291b8aa15e95014ccb2061b8c1cd3627e
Content length539 bytes
Content preview (first 800 chars) 
{
  "internal_id": 356740438,
  "Award ID": "FA255326CB006",
  "Recipient Name": "EXOANALYTIC SOLUTIONS INC",
  "Award Amount": 2949336.94,
  "Description": "NATIONAL SPACE TEST AND TRAINING COMPLEX RANGE CONTROL SYSTEM ENHANCEMENTS",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Air Force",
  "Start Date": "2026-01-01",
  "End Date": "2027-02-28",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_FA255326CB006_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/80859/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80859/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80859/receipt.json