Chain of custody receipt

Source #61744

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 — Tenaska Energy (2008-11-13)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Tenaska%20Energy%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2008-11-13
EntityTenaska Energy
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T00:27:19.305Z UTC
SHA-2566866bbafd52edd26d4f93fbb94f507a905b48fadfbb5ac011b84b053c0e52d72
Content length586 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001274150"
  ],
  "period_ending": "2008-07-31",
  "file_num": [
    "001-32239"
  ],
  "display_names": [
    "COMMERCE ENERGY GROUP, INC.  (CIK 0001274150)"
  ],
  "xsl": null,
  "sequence": 10,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2008-11-13",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "4911"
  ],
  "form": "10-K",
  "adsh": "0001047469-08-012200",
  "film_num": [
    "081186140"
  ],
  "biz_locations": [
    "Costa Mesa, CA"
  ],
  "file_type": "EX-10.114",
  "file_description": "EX-10.114",
  "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/61744/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61744/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61744/receipt.json