Chain of custody receipt

Source #75713

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 — IOWA FIRST BANCSHARES CORP (2004-03-17)
Original URLhttps://www.sec.gov/Archives/edgar/data/740155/000074353004000013/0000743530-04-000013-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2004-03-17
EntityIowa Construction Industry PAC/ Associated General Contractors Of Iowa
Captured2026-09-28T16:09:32.898Z UTC
Hash computed at2026-09-28T16:09:32.898Z UTC
SHA-256c83c92201402e60309d085579a1b712ca16ff69d24db242a150d93b289bda822
Content length571 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000740155"
  ],
  "period_ending": "2003-12-31",
  "file_num": [
    "002-89283"
  ],
  "display_names": [
    "IOWA FIRST BANCSHARES CORP  (CIK 0000740155)"
  ],
  "xsl": null,
  "sequence": 4,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2004-03-17",
  "biz_states": [
    "IA"
  ],
  "sics": [
    "6022"
  ],
  "form": "10-K",
  "adsh": "0000743530-04-000013",
  "film_num": [
    "04675551"
  ],
  "biz_locations": [
    "Muscatine, IA"
  ],
  "file_type": "EX-21",
  "file_description": null,
  "inc_states": [
    "IA"
  ],
  "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/75713/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/75713/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/75713/receipt.json