Chain of custody receipt

Source #44260

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 — Leading the Future (2013-02-25)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Leading%20the%20Future%20(LTF)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2013-02-25
EntityLeading the Future (LTF)
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:05:26.323Z UTC
SHA-2568959a6c782d497257cd86a42d2d7a68344c2ab6d9e4339587c712d4f81b57a6e
Content length559 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000936402"
  ],
  "period_ending": "2012-12-31",
  "file_num": [
    "000-29630"
  ],
  "display_names": [
    "Shire plc  (CIK 0000936402)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2013-02-25",
  "biz_states": [
    "X0"
  ],
  "sics": [
    "2834"
  ],
  "form": "10-K",
  "adsh": "0000950103-13-001253",
  "film_num": [
    "13638765"
  ],
  "biz_locations": [
    "Hampshire England Rg, X0"
  ],
  "file_type": "10-K",
  "file_description": "FORM 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/44260/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/44260/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/44260/receipt.json