Chain of custody receipt

Source #13879

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.

TitleRevolving Door Project report on defense contracts
Original URLhttps://slate.com/technology/2023/12/anthropic-openai-board-trust-effective-altruism.html
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2026-03-13
EntityAnduril Industries
Captured2026-04-23T07:35:26.670Z UTC
Hash computed at2026-04-23T07:35:26.670Z UTC
SHA-256e91ee72faa99c74339d34456ad5a626795ce53bf999b4938ec1c44815d80f814
Content length82 bytes
Content preview (first 800 chars) 
Anduril signed 10-year contract with U.S. Army potentially worth up to $20 billion

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/13879/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/13879/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/13879/receipt.json