Chain of custody receipt

Source #80882

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.

Title	USASpending.gov: LINKEDIN CORPORATION — U.S. Agency for Global Media contract BBG50C150030 ($220.9K)
Original URL	https://www.usaspending.gov/award/CONT_AWD_BBG50C150030_9568_-NONE-_-NONE-/
Publication	USASpending.gov
Source type	`contract`
Date	2015-09-01
Entity	LinkedIn
Captured	2026-10-03T13:48:20.148Z UTC
Hash computed at	2026-10-03T13:48:20.148Z UTC
SHA-256	`fbbb9ebbe6482fd9a050185c9919cd402811bbf0c811b6e0ccf1b7aef99c3377`
Content length	613 bytes

Content preview (first 800 chars)

{
  "internal_id": 293770312,
  "Award ID": "BBG50C150030",
  "Recipient Name": "LINKEDIN CORPORATION",
  "Award Amount": 220860,
  "Description": "THE CONTRACTOR SHALL PROVIDE A LIBRARY OF BROADCAST, MULTIMEDIA, GENERAL BUSINESS, AND LEADERSHIP ONLINE COURSES AS SPECIFIED HEREIN. IGF::OT::IGF",
  "Awarding Agency": "U.S. Agency for Global Media",
  "Awarding Sub Agency": "U.S. Agency for Global Media",
  "Start Date": "2015-09-01",
  "End Date": "2020-08-31",
  "awarding_agency_id": 1163,
  "agency_slug": "us-agency-for-global-media",
  "generated_internal_id": "CONT_AWD_BBG50C150030_9568_-NONE-_-NONE-"
}

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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/80882/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80882/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80882/receipt.json