Chain of custody receipt

Source #3569

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.

TitleOfficial Senate committee records and hearing transcript
Original URLhttps://www.congress.gov/committees/video/house-armed-services/hsas00
PublicationDirected Inquiry — Web Search
Source typediscovery_scope_note
Date2024-06-18
EntityDavid L. Calhoun
Captured2026-04-11T20:11:53.999Z UTC
Hash computed at2026-04-11T20:11:53.999Z UTC
SHA-256c3b15736427cabfb50c764af87643e6ad94f03380b6a6d77e87e1eb7821e2515
Content length143 bytes
Content preview (first 800 chars) 
The June 18, 2024 hearing was titled 'Boeing's Broken Safety Culture' and focused on the Alaska Airlines Flight 1282 door plug blowout incident

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/3569/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3569/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3569/receipt.json