Chain of custody receipt

Source #2949

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.

TitleDavid Allen's written evidence to UK Parliament
Original URLhttps://commonslibrary.parliament.uk/research-briefings/cdp-2022-0205/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityAnduril Industries
Captured2026-04-08T18:08:36.097Z UTC
Hash computed at2026-04-08T18:08:36.097Z UTC
SHA-2564be6b6a378fd20cead7a2ffea10be08d67c9e8485e381271b06ad5a3f2c08257
Content length151 bytes
Content preview (first 800 chars) 
Anduril's Lattice AI-powered operating system underpins all their products and ties together multiple military assets into the same digital environment

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/2949/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2949/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2949/receipt.json