Chain of custody receipt

Source #41025

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 — Rafael Advanced Defense Systems (2017-03-29)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Rafael%20Advanced%20Defense%20Systems%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2017-03-29
EntityRafael Advanced Defense Systems
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:13:47.632Z UTC
SHA-2564c12f7703b4b90ad8874e043b41780ad30aa5d70f759b6eac248302a946661c5
Content length571 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000880984"
  ],
  "period_ending": "2016-12-31",
  "file_num": [
    "001-33886"
  ],
  "display_names": [
    "ACORN ENERGY, INC.  (ACFN)  (CIK 0000880984)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2017-03-29",
  "biz_states": [
    "DE"
  ],
  "sics": [
    "8711"
  ],
  "form": "10-K",
  "adsh": "0001493152-17-002980",
  "film_num": [
    "17722588"
  ],
  "biz_locations": [
    "Wilmington, DE"
  ],
  "file_type": "10-K",
  "file_description": null,
  "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/41025/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/41025/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/41025/receipt.json