Chain of custody receipt

Source #80839

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 Homeland Security contract 70Z02326F93130011 ($4.72M)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_70Z02326F93130011_7008_70Z02324D93130001_7008/
PublicationUSASpending.gov
Source typecontract
Date2026-10-01
EntityShield AI
Captured2026-10-03T13:47:42.377Z UTC
Hash computed at2026-10-03T13:47:42.377Z UTC
SHA-256f1aa3a05dae7f504ea47bfeade864cc4a1ea92de7f3ff7c8995aebc794462f05
Content length550 bytes
Content preview (first 800 chars) 
{
  "internal_id": 363019662,
  "Award ID": "70Z02326F93130011",
  "Recipient Name": "SHIELD AI INC",
  "Award Amount": 4724194.65,
  "Description": "UPGRADE CURRENT AND FUTURE VBAT OPERATIONS WITH EXTRA SENSOR CAPABILITY.",
  "Awarding Agency": "Department of Homeland Security",
  "Awarding Sub Agency": "U.S. Coast Guard",
  "Start Date": "2026-10-01",
  "End Date": "2027-09-30",
  "awarding_agency_id": 766,
  "agency_slug": "department-of-homeland-security",
  "generated_internal_id": "CONT_AWD_70Z02326F93130011_7008_70Z02324D93130001_7008"
}

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/80839/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80839/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80839/receipt.json