Chain of custody receipt

Source #3572

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.

TitleCNN and CNBC coverage of Senate hearing
Original URLhttps://www.armed-services.senate.gov/imo/media/doc/041824fullcommitteetranscript.pdf
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2024-06-18
EntityDavid L. Calhoun
Captured2026-04-11T20:11:54.020Z UTC
Hash computed at2026-04-11T20:11:54.020Z UTC
SHA-256b76698fe8e8a24fcda3c6ffb735d93f49e8e0a5d83965defd2660a0856f3bca4
Content length141 bytes
Content preview (first 800 chars) 
Calhoun admitted during testimony that Boeing had retaliated against whistleblowers but declined to provide specific names of fired employees

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/3572/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3572/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3572/receipt.json