Chain of custody receipt

Source #2475

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.

TitleOpenSecrets FEC filing analysis
Original URLhttps://www.texastribune.org/2018/03/20/ted-cruz-campaign-cambridge-analytica/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2015-11-01
EntityKeep the Promise I
Captured2026-04-08T01:37:59.477Z UTC
Hash computed at2026-04-08T01:37:59.477Z UTC
SHA-25652a06f9ba394e1a8f9e4cb287d54d924adbdcf415c94b0337dddb1a077a18525
Content length132 bytes
Content preview (first 800 chars)
Keep the Promise I made 118 payments to Cambridge Analytica between November 2015 and December 2016 totaling just under $5.7 million

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/2475/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2475/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2475/receipt.json