Chain of custody receipt

Source #6209

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 lobbying database
Original URLhttps://www.guidestar.org/profile/13-7029285
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2024-12-31
EntityOpen Society Foundations
Captured2026-04-13T02:54:51.302Z UTC
Hash computed at2026-04-13T02:54:51.302Z UTC
SHA-256ca88544056472b018a63515c76e4408f9d40c3c0b318158a7da9a538359fda14
Content length69 bytes
Content preview (first 800 chars) 
Open Society Foundations lobbied Congress spending $2,660,000 in 2024

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/6209/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6209/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6209/receipt.json