Chain of custody receipt

Source #13867

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.

TitleChronicle of Philanthropy report on climate funding announcement
Original URLhttps://www.americanexperiment.org/should-a-private-company-endow-a-government-official/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2021
EntityLaurene Powell Jobs
Captured2026-04-23T07:35:26.601Z UTC
Hash computed at2026-04-23T07:35:26.601Z UTC
SHA-2561ccf5d475a76399c807e26db69cdea18df24e9179654face8b9d323a1376e722
Content length112 bytes
Content preview (first 800 chars) 
Laurene Powell Jobs pledged additional $3.5 billion to be spent over 10 years through Waverley Street Foundation

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/13867/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/13867/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/13867/receipt.json