Chain of custody receipt

Source #80795

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: BOOZ ALLEN HAMILTON INC — General Services Administration contract GSQ0015AJ0047 ($1.17B)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_GSQ0015AJ0047_4732_GS00Q14OADU108_4732/
PublicationUSASpending.gov
Source typecontract
Date2015-09-23
EntityBooz Allen Hamilton
Captured2026-10-03T13:47:25.216Z UTC
Hash computed at2026-10-03T13:47:25.216Z UTC
SHA-256fe76bf7775f8273404447ac37fd4220490949bd62cd8479318edda61d317b65d
Content length503 bytes
Content preview (first 800 chars) 
{
  "internal_id": 305314677,
  "Award ID": "GSQ0015AJ0047",
  "Recipient Name": "BOOZ ALLEN HAMILTON INC",
  "Award Amount": 1173611155.42,
  "Description": "IGF::OT::IGF",
  "Awarding Agency": "General Services Administration",
  "Awarding Sub Agency": "Federal Acquisition Service",
  "Start Date": "2015-09-23",
  "End Date": "2021-03-22",
  "awarding_agency_id": 614,
  "agency_slug": "general-services-administration",
  "generated_internal_id": "CONT_AWD_GSQ0015AJ0047_4732_GS00Q14OADU108_4732"
}

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/80795/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80795/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80795/receipt.json