Chain of custody receipt

Source #66165

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 — Leidos Holdings, Inc. (2017-02-24)
Original URLhttps://www.sec.gov/Archives/edgar/data/1336920/000133692017000014/0001336920-17-000014-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2017-02-24
EntityLeidos
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-06-01T00:40:15.608Z UTC
SHA-256e167ebe27e894b53110b3dc6e2bd9a4b45a4614a14da04f861a827a0fbea19db
Content length560 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001336920"
  ],
  "period_ending": "2016-12-30",
  "file_num": [
    "001-33072"
  ],
  "display_names": [
    "Leidos Holdings, Inc.  (LDOS)  (CIK 0001336920)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2017-02-24",
  "biz_states": [
    "VA"
  ],
  "sics": [
    "7373"
  ],
  "form": "10-K",
  "adsh": "0001336920-17-000014",
  "film_num": [
    "17636686"
  ],
  "biz_locations": [
    "Reston, VA"
  ],
  "file_type": "10-K",
  "file_description": "10-K",
  "inc_states": [],
  "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/66165/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/66165/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/66165/receipt.json