Chain of custody receipt

Source #3393

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.

TitleNextgov reporting
Original URLhttps://www.sec.gov/newsroom/whats-new/edgar-release-1702-software-upgrade-january-30-2017
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2017-01-01
EntityFireEye
Captured2026-04-09T14:17:10.363Z UTC
Hash computed at2026-04-09T14:17:10.363Z UTC
SHA-256bb9a38524c12bb95ffe5392b566dbd1a1c9ce740bea1e8d32c09c12e51479944
Content length85 bytes
Content preview (first 800 chars) 
SEC contracted with FireEye for forensic investigative services related to EDGAR hack

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/3393/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3393/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3393/receipt.json