Chain of custody receipt

Source #15511

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.

TitleResearch: BlackRock Financial Management, Inc. — Court records (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typecourt_document
Date2026
EntityBlackRock Financial Management, Inc.
Captured2026-04-23T09:04:39.543Z UTC
Hash computed at2026-04-23T09:04:39.543Z UTC
SHA-2561d69bbe6af46a7376e7469821917ae31fc6652b4cad4d969beeae90914d51799
Content length231 bytes
Content preview (first 800 chars) 
No Court records found for "BlackRock Financial Management, Inc." in public databases or web search. This may be due to name variations, subsidiary filings, or limited search coverage — not necessarily absence from public record.

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/15511/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/15511/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/15511/receipt.json