Chain of custody receipt

Source #1580

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: Jensen Huang — Lobbying disclosures (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typegovernment_disclosure
Date2026
EntityJensen Huang
Captured2026-04-07T04:19:37.964Z UTC
Hash computed at2026-04-07T04:19:37.964Z UTC
SHA-25647844d69681bf631074d822b0e456e6000e50ab5593c8599d5b044ada1a589c6
Content length83 bytes
Content preview (first 800 chars) 
No Lobbying disclosures found for "Jensen Huang" 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/1580/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1580/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1580/receipt.json