Chain of custody receipt

Source #1590

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.

TitleResearch: David Sacks — FEC donations (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typefec_record
Date2026
EntityDavid Sacks
Captured2026-04-07T04:19:45.157Z UTC
Hash computed at2026-04-07T04:19:45.157Z UTC
SHA-256fce3ecbf57a72552fa860a052bc51bb27e77cdf077ddf2ef9679b006ab8e796b
Content length75 bytes
Content preview (first 800 chars) 
No FEC donations found for "David Sacks" in public databases or web search.

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/1590/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1590/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1590/receipt.json