Chain of custody receipt

Source #48411

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: Export Control Classification Number (ECCN) 3B001 — SEC filings (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typesec_filing
Date2026
EntityExport Control Classification Number (ECCN) 3B001
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:14:36.745Z UTC
SHA-256f697a559956f4cb8600a1395c7de3539ac4d62d7061157235529783c4d248761
Content length242 bytes
Content preview (first 800 chars) 
No SEC filings found for "Export Control Classification Number (ECCN) 3B001" 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/48411/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/48411/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/48411/receipt.json