Chain of custody receipt

Source #8626

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: Jack Poulson — SEC filings (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typesec_filing
Date2026
EntityJack Poulson
Captured2026-04-13T19:21:27.288Z UTC
Hash computed at2026-04-13T19:21:27.288Z UTC
SHA-256cd5fb3b01e6bcd90bf312ec67ee3e89a56686a6cf40eebfbb632dae306246d66
Content length205 bytes
Content preview (first 800 chars) 
No SEC filings found for "Jack Poulson" 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/8626/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/8626/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/8626/receipt.json