Chain of custody receipt

Source #10280

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.

Title	SEC filings and company announcements detailing transaction structure
Original URL	https://www.sec.gov/Archives/edgar/data/1336920/000133692019000004/ldos12282018form10-k.htm
Publication	Directed Inquiry — Web Search
Source type	`web_search`
Date	2016-08-16
Entity	Leidos
Captured	2026-04-14T01:14:35.724Z UTC
Hash computed at	2026-04-14T01:14:35.724Z UTC
SHA-256	`30cc9fbf26ac51f97076cc1913a212395dab0d3047504035db9d6a1efd81f7c8`
Content length	418,015 bytes

Content preview (first 800 chars)

10-K

1

ldos12282018form10-k.htm

10-K

Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

(Mark One)

x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 28, 2018

or

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number: 001-33072

Leidos Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware

20-3562868

(State or other jurisdiction of incorporation or organization)

(I.R.S. Employer Identification No.)

11951 Freedom Drive, Reston, Virginia

20190

(Address of principal executive offices)

(Zip Code)

(571) 526-6000

(Registrant's telephone number…

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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/10280/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10280/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10280/receipt.json