Chain of custody receipt

Source #3432

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.

TitleColonel Eric Felt briefing at Milsatcom USA conference June 2024
Original URLhttps://www.canada.ca/en/department-national-defence/services/operations/allies-partners/norad/norad-modernization-project-timelines.html
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2029-01-01
EntityUS Air Force
Captured2026-04-09T14:21:32.440Z UTC
Hash computed at2026-04-09T14:21:32.440Z UTC
SHA-256237fceb57ce0c0ce7de719d60962f74c1b562ff9409608f3c3a4782198cc99d6
Content length123 bytes
Content preview (first 800 chars) 
Space Force plans to acquire Starshield constellation by 2029 with over 100 satellites, contingent on Congressional funding

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/3432/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3432/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3432/receipt.json