Chain of custody receipt

Source #6299

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.

TitleGSA Office of Inspector General audit report from September 2024
Original URLhttps://www.usaspending.gov/agency/general-services-administration
PublicationDirected Inquiry — Web Search
Source typediscovery_scope_note
Date2023-09-30
EntityOffice of Assisted Acquisition Services (AAS)
Captured2026-04-13T03:03:04.223Z UTC
Hash computed at2026-04-13T03:03:04.223Z UTC
SHA-256e6b045d97b5d5b8363601a315ba6b4b6ee38b8cac0e677eeb8d37bb4b1f3f01c
Content length150 bytes
Content preview (first 800 chars) 
GSA's Office of Assisted Acquisition Services (AAS) generated over $16 billion in revenue in Fiscal Year 2023, representing 48% of GSA's total revenue

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/6299/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6299/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6299/receipt.json