Chain of custody receipt

Source #3120

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.

TitleFederal Reserve [street address redacted]atement for Maiden Lane LLC
Original URLhttps://www.newyorkfed.org/markets/maidenlane.html
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityMaiden Lane LLC
Captured2026-04-08T20:00:29.724Z UTC
Hash computed at2026-04-08T20:00:29.724Z UTC
SHA-25670e72466a482ba60fc325d6fef8fea8a1a1e791faf837bb14ba21c11ff3dd583
Content length147 bytes
Content preview (first 800 chars) 
BlackRock manages the investment portfolio of Maiden Lane LLC under a multi-year contract with FRBNY that includes provisions governing termination

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/3120/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3120/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3120/receipt.json