Chain of custody receipt

Source #3667

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 Form 10-K filing
Original URLhttps://www.sec.gov/Archives/edgar/data/876883/000110465921091375/tm2120667d2_ex99-2.htm
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityStagwell Inc
Captured2026-04-11T20:20:27.343Z UTC
Hash computed at2026-04-11T20:20:27.343Z UTC
SHA-256160a5cce5fe2a1a6b498aff4c4887e85d8c8153cb2a02cb9cedb16a6dec138ba
Content length156 bytes
Content preview (first 800 chars) 
Stagwell holds a 100% ownership position in substantially all of its Brands, with the remainder being majority owned with management owning remaining equity

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/3667/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3667/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3667/receipt.json