Chain of custody receipt

Source #3407

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.

TitleSEC 10-K filing and multiple financial data sources
Original URLhttps://www.sec.gov/search-filings/cik-lookup
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityThe Mosaic Company
Captured2026-04-09T14:18:48.793Z UTC
Hash computed at2026-04-09T14:18:48.793Z UTC
SHA-256e946886e3c1c3367eab48f851666a5cc369014f15ca961edf5fd59b097f5747a
Content length96 bytes
Content preview (first 800 chars) 
The Mosaic Company is publicly traded on the New York Stock Exchange under the ticker symbol MOS

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/3407/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3407/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3407/receipt.json