Chain of custody receipt

Source #61145

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 — Delta Air Lines (2011-03-04)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Delta%20Air%20Lines%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2011-03-04
EntityDelta Air Lines
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-24T23:57:06.541Z UTC
SHA-256c13a3088053092a33d6c5fa7857650e57fe2a0f1d496f49b9d8fc1c916f4c684
Content length581 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000027904"
  ],
  "period_ending": "2010-12-31",
  "file_num": [
    "001-05424"
  ],
  "display_names": [
    "DELTA AIR LINES INC /DE/  (DAL)  (CIK 0000027904)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2011-03-04",
  "biz_states": [
    "GA"
  ],
  "sics": [
    "4512"
  ],
  "form": "10-K/A",
  "adsh": "0000950123-11-022002",
  "film_num": [
    "11662755"
  ],
  "biz_locations": [
    "Atlanta, GA"
  ],
  "file_type": "10-K/A",
  "file_description": "10-K/A",
  "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/61145/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61145/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61145/receipt.json