Chain of custody receipt

Source #80781

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: ELBIT SYSTEMS OF AMERICA - NIGHT VISION LLC — Department of Defense contract W91CRB25F0071 ($139.23M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_W91CRB25F0071_9700_W91CRB24D0001_9700/
PublicationUSASpending.gov
Source typecontract
Date2024-12-31
EntityElbit Systems
Captured2026-10-03T13:47:17.186Z UTC
Hash computed at2026-10-03T13:47:17.186Z UTC
SHA-256ef4f66bed21a468f72f4f79bf8c87396f3dccb9efb4d114356082a6af105a90d
Content length562 bytes
Content preview (first 800 chars) 
{
  "internal_id": 350358905,
  "Award ID": "W91CRB25F0071",
  "Recipient Name": "ELBIT SYSTEMS OF AMERICA - NIGHT VISION LLC",
  "Award Amount": 139226938.03,
  "Description": "ENHANCED NIGHT VISION GOGGLE - BINOCULAR PRODUCTION SYSTEMS DELIVERY ORDER 02",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Army",
  "Start Date": "2024-12-31",
  "End Date": "2026-12-31",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_W91CRB25F0071_9700_W91CRB24D0001_9700"
}

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/80781/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80781/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80781/receipt.json