Chain of custody receipt

Source #3568

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.

TitleMultiple news reports and official Senate hearing records
Original URLhttps://www.congress.gov/committees/video/house-armed-services/hsas00/VRsgWLVyI8E
PublicationDirected Inquiry — Web Search
Source typediscovery_scope_note
Date2024-06-18
EntityDavid L. Calhoun
Captured2026-04-11T20:11:53.988Z UTC
Hash computed at2026-04-11T20:11:53.988Z UTC
SHA-25648e8724609892c74608fedc6c8063b82e7f2f5dd7cadefcdca6fb5b162ce4c17
Content length175 bytes
Content preview (first 800 chars) 
David Calhoun testified before Senate Homeland Security and Governmental Affairs Investigations Subcommittee on June 18, 2024 - his first Congressional testimony as Boeing 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/3568/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3568/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3568/receipt.json