Chain of custody receipt

Source #2503

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 and financial news sources
Original URLhttps://www.marketswiki.com/wiki/BlackRock_Inc.
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2013-01-01
EntityClarium Capital
Captured2026-04-08T02:00:55.034Z UTC
Hash computed at2026-04-08T02:00:55.034Z UTC
SHA-256ec2973d61aa9d2f5d46e3637d5e6f9ca00871bc760a93131cde6076592fffb56
Content length95 bytes
Content preview (first 800 chars) 
Clarium Capital was considered defunct by 2013 after shrinking by 90% and losing most investors

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/2503/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2503/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2503/receipt.json