Chain of custody receipt

Source #74976

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 — IPALCO ENTERPRISES, INC. (2012-02-27)
Original URLhttps://www.sec.gov/Archives/edgar/data/728391/000072839112000002/0000728391-12-000002-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2012-02-27
EntityIllinois Political Active Letter Carriers
Captured2026-09-28T13:48:12.102Z UTC
Hash computed at2026-09-28T13:48:12.102Z UTC
SHA-256804ef4d9e8d364dfe65427e8e48e55c70ef60b93c54248a50bccfaa8dbb327da
Content length611 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000728391"
  ],
  "period_ending": "2011-12-31",
  "file_num": [
    "001-08644"
  ],
  "display_names": [
    "IPALCO ENTERPRISES, INC.  (CIK 0000728391)"
  ],
  "xsl": null,
  "sequence": 14,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2012-02-27",
  "biz_states": [
    "IN"
  ],
  "sics": [
    "4911"
  ],
  "form": "10-K",
  "adsh": "0000728391-12-000002",
  "film_num": [
    "12639678"
  ],
  "biz_locations": [
    "Indianapolis, IN"
  ],
  "file_type": "10-K",
  "file_description": "IPALCO 2011 FORM 10-K PDF CONFIRMING COPY",
  "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/74976/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/74976/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/74976/receipt.json