Chain of custody receipt

Source #61715

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 — Spirit Aerosystems (2021-02-25)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Spirit%20Aerosystems%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-02-25
EntitySpirit Aerosystems
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T00:27:13.148Z UTC
SHA-2567328068c9d7415cbe805e4f19e6c1b42e9af03766ee903649d748c45849163d5
Content length590 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001364885"
  ],
  "period_ending": "2020-12-31",
  "file_num": [
    "001-33160"
  ],
  "display_names": [
    "Spirit AeroSystems Holdings, Inc.  (SPR)  (CIK 0001364885)"
  ],
  "xsl": null,
  "sequence": 3,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2021-02-25",
  "biz_states": [
    "KS"
  ],
  "sics": [
    "3728"
  ],
  "form": "10-K",
  "adsh": "0001628280-21-003321",
  "film_num": [
    "21681092"
  ],
  "biz_locations": [
    "Wichita, KS"
  ],
  "file_type": "EX-21.1",
  "file_description": "EX-21.1",
  "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/61715/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61715/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61715/receipt.json