Chain of custody receipt

Source #41722

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 EDGAR: filing — Boeing (2011-02-14)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Boeing%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2011-02-14
EntityBoeing
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:10:53.003Z UTC
SHA-256353fcb54abe21e5fc4f7f1b5df34449a2177c27fb18ab9ed97fae463f7c0d7e0
Content length576 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001487712"
  ],
  "period_ending": null,
  "file_num": [
    "333-171734"
  ],
  "display_names": [
    "AIR LEASE CORP  (AL, AL-PA)  (CIK 0001487712)"
  ],
  "xsl": null,
  "sequence": 4,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2011-02-14",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "7359"
  ],
  "form": "S-1/A",
  "adsh": "0000950123-11-013039",
  "film_num": [
    "11601705"
  ],
  "biz_locations": [
    "Los Angeles, CA"
  ],
  "file_type": "EX-10.15",
  "file_description": "EX-10.15",
  "inc_states": [
    "DE"
  ],
  "items": []
}

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/41722/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/41722/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/41722/receipt.json