Chain of custody receipt

Source #3030

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.

TitleCampaign Legal Center document analysis
Original URLhttps://www.politifact.com/factchecks/2018/mar/21/jack-posopiec/trump-campaign-used-cambridge-analytica-final-mont/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2016-11-08
EntitySteve Bannon
Captured2026-04-08T19:04:37.699Z UTC
Hash computed at2026-04-08T19:04:37.699Z UTC
SHA-256e711276d41cf70bc24a6182c2fe71d3ff768ceb5bc5410e5720f26b632dc4150
Content length155 bytes
Content preview (first 800 chars) 
Cambridge Analytica worked with Bannon's production company Glittering Steel to produce super PAC ads attacking Clinton while Bannon was Trump campaign CEO

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/3030/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3030/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3030/receipt.json