Chain of custody receipt

Source #63989

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 — U.S. Department of Defense (2020-06-24)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22U.S.%20Department%20of%20Defense%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2020-06-24
EntityUS Department of Defense (Pentagon)
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-27T01:47:04.670Z UTC
SHA-25698ab96d52057e9d1e2b0368174e21c9050bddc796176b1f4f68ee38b677c8179
Content length581 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001368622"
  ],
  "period_ending": "2020-04-30",
  "file_num": [
    "001-33261"
  ],
  "display_names": [
    "AeroVironment Inc  (AVAV)  (CIK 0001368622)"
  ],
  "xsl": null,
  "sequence": 3,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2020-06-24",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "3721"
  ],
  "form": "10-K",
  "adsh": "0001558370-20-007720",
  "film_num": [
    "20983431"
  ],
  "biz_locations": [
    "Simi Valley, CA"
  ],
  "file_type": "EX-10.34",
  "file_description": "EX-10.34",
  "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/63989/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/63989/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/63989/receipt.json