Chain of custody receipt

Source #80805

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 — National Aeronautics and Space Administration contract NNJ09HD46C ($1.31B)
Original URL	https://www.usaspending.gov/award/CONT_AWD_NNJ09HD46C_8000_-NONE-_-NONE-/
Publication	USASpending.gov
Source type	`contract`
Date	2008-11-07
Entity	Leidos
Captured	2026-10-03T13:47:28.266Z UTC
Hash computed at	2026-10-03T13:47:28.266Z UTC
SHA-256	`54d445c73a8dd8fba8f18409698d1a83a79940a1b0a9a4316bce47e1389ceeec`
Content length	2,008 bytes

Content preview (first 800 chars)

{
  "internal_id": 311390306,
  "Award ID": "NNJ09HD46C",
  "Recipient Name": "LEIDOS INC",
  "Award Amount": 1306805321.14,
  "Description": "THE FACILITIES DEVELOPMENT AND OPERATIONS CONTRACT(FDOC) SPECIFIES TECHNICAL, MANAGERIAL, AND ADMINSTRATIVE WORK NEEDED TO ENSURE THE AVAILABLITITY, INTEGRITY, AND RELIABILITY OF MISSIONOPERATIONS FACILITES SUPPORTING NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (NASA) HUMAN SPACE FLIGHT (HSF) PROGRAMS REQUIRING MISSION OPERATIONS SUPPORT. THE OBJECTIVE OF THIS CONTRACT IS TO CONSOLIDATE EFFORTS ACROSS THE FACILITIES COVERED UNDER FODOC IN ORDER TO MAXIMIZE SYNERGY FOR HARDWARE AND SOFTWARE DEVELOPMENT, MODIFICATION, SUSTAINING. MAINTENANCE, RECONFIGURATION, AND OPERATIONS FOR THE PURPOSE OF REDUCING COST WITHOUT COMPROMISING FACILITY…

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/80805/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80805/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80805/receipt.json