Chain of custody receipt

Source #74012

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 — UNITED BANCORP INC /OH/ (2025-03-14)
Original URLhttps://www.sec.gov/Archives/edgar/data/731653/000141057825000351/0001410578-25-000351-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2025-03-14
EntityEnd Citizens United
Captured2026-09-28T13:19:51.128Z UTC
Hash computed at2026-09-28T13:19:51.128Z UTC
SHA-256f9aef3b77118aa1d89bec2e9f62c36aaf1a70452997d08b1b8e5835f5e3756dd
Content length585 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000731653"
  ],
  "period_ending": "2024-12-31",
  "file_num": [
    "000-16540"
  ],
  "display_names": [
    "UNITED BANCORP INC /OH/  (UBCP)  (CIK 0000731653)"
  ],
  "xsl": null,
  "sequence": "2",
  "root_forms": [
    "10-K"
  ],
  "file_date": "2025-03-14",
  "biz_states": [
    "OH"
  ],
  "sics": [
    "6022"
  ],
  "form": "10-K",
  "adsh": "0001410578-25-000351",
  "film_num": [
    "25739740"
  ],
  "biz_locations": [
    "Martins Ferry, OH"
  ],
  "file_type": "EX-13",
  "file_description": "EX-13",
  "inc_states": [
    "OH"
  ],
  "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/74012/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/74012/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/74012/receipt.json