Chain of custody receipt

Source #62834

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 — Southwest Airlines (2024-02-06)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Southwest%20Airlines%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2024-02-06
EntitySouthwest Airlines
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:24:45.094Z UTC
SHA-2564131fc06ef3aac85fe2a00fe4835dcff285096102ad15d66deb32f5f4e51944a
Content length643 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000092380"
  ],
  "period_ending": "2023-12-31",
  "file_num": [
    "001-07259"
  ],
  "display_names": [
    "SOUTHWEST AIRLINES CO  (LUV)  (CIK 0000092380)"
  ],
  "xsl": null,
  "sequence": 8,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2024-02-06",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "4512"
  ],
  "form": "10-K",
  "adsh": "0000092380-24-000027",
  "film_num": [
    "24601150"
  ],
  "biz_locations": [
    "Dallas, TX"
  ],
  "file_type": "EX-23",
  "file_description": "CONSENT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM",
  "inc_states": [
    "TX"
  ],
  "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/62834/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62834/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62834/receipt.json