Chain of custody receipt

Source #72483

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: 10-K — Duke Energy Indiana, Inc. (2008-03-19)
Original URLhttps://www.sec.gov/Archives/edgar/data/81020/000119312508061009/0001193125-08-061009-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2008-03-19
EntityIndiana Farm Bureau Inc Elect PAC Inc
Captured2026-09-28T12:36:14.805Z UTC
Hash computed at2026-09-28T12:36:14.805Z UTC
SHA-256b98ffb0c5185a0d1e4e8d54e54ba430df121ed0fef69b45fbecd066c579668f5
Content length576 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000081020"
  ],
  "period_ending": "2007-12-31",
  "file_num": [
    "001-03543"
  ],
  "display_names": [
    "Duke Energy Indiana, Inc.  (CIK 0000081020)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2008-03-19",
  "biz_states": [
    "NC"
  ],
  "sics": [
    "4911"
  ],
  "form": "10-K",
  "adsh": "0001193125-08-061009",
  "film_num": [
    "08700150"
  ],
  "biz_locations": [
    "Charlotte, NC"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10-K",
  "inc_states": [
    "IN"
  ],
  "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/72483/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/72483/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/72483/receipt.json