Chain of custody receipt

Source #80861

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 W5170125CA081 ($2.00M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_W5170125CA081_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2025-04-01
EntityExoAnalytic Solutions
Captured2026-10-03T13:47:46.328Z UTC
Hash computed at2026-10-03T13:47:46.328Z UTC
SHA-256bc1bbee540a47dd53fbd7c69626604b2ff8d202f1e0849889357184d36a0c45f
Content length554 bytes
Content preview (first 800 chars)
{
  "internal_id": 348984026,
  "Award ID": "W5170125CA081",
  "Recipient Name": "EXOANALYTIC SOLUTIONS INC",
  "Award Amount": 1999937.53,
  "Description": "SMALL BUSINESS INNOVATIVE RESEARCH (SBIR) PHASE II TOPIC A244-064, EXOANALYTIC SOLUTIONS, INC.",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Army",
  "Start Date": "2025-04-01",
  "End Date": "2026-09-30",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_W5170125CA081_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/80861/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80861/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80861/receipt.json