Chain of custody receipt

Source #3430

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.

TitleReuters investigative reporting and multiple industry sources
Original URLhttps://www.canada.ca/en/department-national-defence/corporate/reports-publications/north-strong-free-2024/annex-c-canada-norad-modernization-plan.html
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2021-01-01
EntitySpaceX
Captured2026-04-09T14:21:32.428Z UTC
Hash computed at2026-04-09T14:21:32.428Z UTC
SHA-2565efaa795cf9e6929190a0bce735ccd1e939e4a59e37b9664513424fcdb544e5a
Content length129 bytes
Content preview (first 800 chars) 
SpaceX signed $1.8 billion classified contract with National Reconnaissance Office in 2021 for Starshield satellite constellation

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/3430/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3430/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3430/receipt.json