Chain of custody receipt

Source #13874

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.

TitleABC News campaign finance records
Original URLhttps://www.philanthropy.com/article/who-will-get-powell-jobss-3-5-billion-gift-for-climate-work
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2018
EntityMichael Bloomberg
Captured2026-04-23T07:35:26.642Z UTC
Hash computed at2026-04-23T07:35:26.642Z UTC
SHA-256b3bc0f0b49b298c67da2c873147e925366790df474402938815a9e46ac25a7d5
Content length68 bytes
Content preview (first 800 chars) 
Bloomberg donated $80 million to Democrats in 2018 midterm elections

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/13874/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/13874/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/13874/receipt.json