Chain of custody receipt

Source #80803

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.

Title	USASpending.gov: LEIDOS, INC. — Department of Transportation contract DTFAWA05C00031 ($1.87B)
Original URL	https://www.usaspending.gov/award/CONT_AWD_DTFAWA05C00031_6920_-NONE-_-NONE-/
Publication	USASpending.gov
Source type	`contract`
Date	2005-02-01
Entity	Leidos
Captured	2026-10-03T13:47:28.227Z UTC
Hash computed at	2026-10-03T13:47:28.227Z UTC
SHA-256	`b50c9d73eae3180fc4ddd0fcf720cdd49c1076ef249589531a187024de12659f`
Content length	617 bytes

Content preview (first 800 chars)

{
  "internal_id": 297059502,
  "Award ID": "DTFAWA05C00031",
  "Recipient Name": "LEIDOS, INC.",
  "Award Amount": 1865584342.92,
  "Description": "PROVIDE FUNDING FOR CLIN 302 FOR PRE-FLIGHT AND IN-FLIGHT SERVICES.  CONTRACT NUMBER DTFAWA-05-C-00031, LOCKHEED MARTIN. POP 01/16/08-03/31/08.",
  "Awarding Agency": "Department of Transportation",
  "Awarding Sub Agency": "Federal Aviation Administration",
  "Start Date": "2005-02-01",
  "End Date": "2019-09-20",
  "awarding_agency_id": 731,
  "agency_slug": "department-of-transportation",
  "generated_internal_id": "CONT_AWD_DTFAWA05C00031_6920_-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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/80803/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80803/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80803/receipt.json