Chain of custody receipt

Source #3224

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.

TitleWikipedia citing current fund size
Original URLhttps://foundersfactory.com/london/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-01-01
EntityFounders Fund
Captured2026-04-08T20:26:20.325Z UTC
Hash computed at2026-04-08T20:26:20.325Z UTC
SHA-2561ba972a744b211a9b9dbbef113148428b1d110fc984e64c4e051acd4b8903568
Content length81 bytes
Content preview (first 800 chars) 
Founders Fund has roughly $17 billion in total assets under management as of 2025

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/3224/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3224/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3224/receipt.json