Chain of custody receipt

Source #80791

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: RAFAEL ADVANCED DEFENSE SYSTEMS LTD. — Department of Defense contract N0016419FJ257 ($5.05M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_N0016419FJ257_9700_N0016419DJQ77_9700/
PublicationUSASpending.gov
Source typecontract
Date2019-09-05
EntityRafael Advanced Defense Systems
Captured2026-10-03T13:47:18.439Z UTC
Hash computed at2026-10-03T13:47:18.439Z UTC
SHA-2569505d94dfacca3f21fd0d5f91adbcfed8f7f5c6dc52baa9e7a7cb2d52a65e537
Content length489 bytes
Content preview (first 800 chars) 
{
  "internal_id": 309755101,
  "Award ID": "N0016419FJ257",
  "Recipient Name": "RAFAEL ADVANCED DEFENSE SYSTEMS LTD.",
  "Award Amount": 5049394.83,
  "Description": "TOPLITE DEPOT",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Navy",
  "Start Date": "2019-09-05",
  "End Date": "2025-08-29",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_N0016419FJ257_9700_N0016419DJQ77_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/80791/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80791/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80791/receipt.json