Chain of custody receipt

Source #3358

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.

TitleMaiden Lane LLC 2015 consolidated financial statements
Original URLhttps://www.sec.gov/Archives/edgar/data/1364742/000119312507053304/d10k.htm
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2015-12-31
EntityBlackRock Financial Management, Inc.
Captured2026-04-09T14:09:52.620Z UTC
Hash computed at2026-04-09T14:09:52.620Z UTC
SHA-2560e37f6b2e677f7fd3413f2dfb07a5b99fd72b3a4220287eb40fd08289d77213f
Content length133 bytes
Content preview (first 800 chars) 
BlackRock Financial Management managed Maiden Lane LLC's investment portfolio under guidance from the FRBNY through December 31, 2015

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/3358/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3358/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3358/receipt.json