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 EDGAR: 10-K — NORTHROP GRUMMAN CORP /DE/ (2018-01-29) |
|---|---|
| Original URL | https://www.sec.gov/Archives/edgar/data/1133421/000113342118000005/0001133421-18-000005-index.htm |
| Publication | SEC EDGAR |
| Source type | sec_filing |
| Date | 2018-01-29 |
| Entity | Northrop Grumman |
| Captured | 1970-01-01T00:00:00.000Z UTC |
| Hash computed at | 2026-05-31T06:42:13.692Z UTC |
| SHA-256 | 07ed135fcaa0dfcfe6d9fe1d3c4d08be6286da435e5f4fdb66bdf4830951b47c |
| Content length | 633 bytes |
{
"ciks": [
"0001133421"
],
"period_ending": "2017-12-31",
"file_num": [
"001-16411"
],
"display_names": [
"NORTHROP GRUMMAN CORP /DE/ (NOC) (CIK 0001133421)"
],
"xsl": null,
"sequence": 5,
"root_forms": [
"10-K"
],
"file_date": "2018-01-29",
"biz_states": [
"VA"
],
"sics": [
"3812"
],
"form": "10-K",
"adsh": "0001133421-18-000005",
"film_num": [
"18556618"
],
"biz_locations": [
"Falls Church, VA"
],
"file_type": "EX-10.(J)(V)",
"file_description": "FIRST AMENDMENT TO THE NORTHROP GRUMMAN SUPPLEMENTAL PLAN 2",
"inc_states": [],
"items": []
}
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:
url + '\n' + content and SHA-256 it.Or POST the candidate content to /source/66001/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/66001/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/66001/receipt.json