Chain of custody receipt

Source #65302

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: 10-K — American Airlines Group Inc. (2022-02-22)
Original URLhttps://www.sec.gov/Archives/edgar/data/6201/000000620122000026/0000006201-22-000026-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2022-02-22
EntityAmerican Airlines
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T03:39:30.875Z UTC
SHA-2561b7754bc46f658ff8373ca81f6e867462e6179c3f02fe43c50761a0f96d1a942
Content length734 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000006201",
    "0000004515"
  ],
  "period_ending": "2021-12-31",
  "file_num": [
    "001-08400",
    "001-02691"
  ],
  "display_names": [
    "American Airlines Group Inc.  (AAL)  (CIK 0000006201)",
    "AMERICAN AIRLINES, INC.  (CIK 0000004515)"
  ],
  "xsl": null,
  "sequence": 5,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2022-02-22",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "4512",
    "4512"
  ],
  "form": "10-K",
  "adsh": "0000006201-22-000026",
  "film_num": [
    "22655074",
    "22655075"
  ],
  "biz_locations": [
    "Fort Worth, TX",
    "Fort Worth, TX"
  ],
  "file_type": "EX-10.39",
  "file_description": "EX-10.39",
  "inc_states": [
    "DE",
    "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/65302/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65302/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65302/receipt.json