Chain of custody receipt

Source #80920

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: RTX CORPORATION — Department of Defense contract N0001902C3003 ($7.91B)
Original URLhttps://www.usaspending.gov/award/CONT_AWD_N0001902C3003_9700_-NONE-_-NONE-/
PublicationUSASpending.gov
Source typecontract
Date2001-10-26
EntityX Corp
Captured2026-10-03T13:49:08.717Z UTC
Hash computed at2026-10-03T13:49:08.717Z UTC
SHA-25652d7fea778e5e7620274ac0ebcc00f0d42be533180bd13e4ed0548280ef27f39
Content length942 bytes
Content preview (first 800 chars)
{
  "internal_id": 309493329,
  "Award ID": "N0001902C3003",
  "Recipient Name": "RTX CORPORATION",
  "Award Amount": 7911304631.39,
  "Description": "200204!008533!1700!AF600 !NAVAL AIR SYSTEMS COMMAND !N0001902C3003 !A!N! !N! !20011026!20120430!001447952!001447952!001344142!N!UNITED TECHNOLOGIES CORP !400 MAIN STREET !EAST HARTFORD !CT!06108!22700!003!09!EAST HARTFORD !HARTFORD !CONN !+000014000000!N!N!004803460088!AC15!RDTE/AIRCRAFT-ENG/MANUF DEVELOP !A1B!AIRCRAFT ENGINES AND SPARES !2AMA!JAST/JSF !541710!E! !3! ! ! ! ! !99990909!B! ! !A! !D!N!R!1!001!N!1A!A!Y!Z! ! !N!C!N! ! ! !A!A!A!A!000!A!C!N! ! ! !Y! !N00019!0001!",
  "Awarding Agency": "Department of Defense",
  "Awarding Sub Agency": "Defense Contract Management Agency",
  "Start Date": "2001-10-26",
  "End Date": "2019-04-12"…

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/80920/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80920/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80920/receipt.json