Chain of custody receipt

Source #80834

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: SHIELD AI INC — Department of Defense contract N0001925F0971 ($11.32M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_N0001925F0971_9700_FA865621DA045_9700/
PublicationUSASpending.gov
Source typecontract
Date2025-09-03
EntityShield AI
Captured2026-10-03T13:47:42.274Z UTC
Hash computed at2026-10-03T13:47:42.274Z UTC
SHA-2561b351e28dee87059b5b5fe183b6cf2edcf2bb189e17750081466ef3603a9dbeb
Content length482 bytes
Content preview (first 800 chars) 
{
  "internal_id": 353168356,
  "Award ID": "N0001925F0971",
  "Recipient Name": "SHIELD AI INC",
  "Award Amount": 11322584.92,
  "Description": "V-BAT VTOL UNMANNED AIRCRAFT",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Department of the Navy",
  "Start Date": "2025-09-03",
  "End Date": "2027-04-30",
  "awarding_agency_id": 1173,
  "agency_slug": "department-of-defense",
  "generated_internal_id": "CONT_AWD_N0001925F0971_9700_FA865621DA045_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/80834/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80834/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80834/receipt.json