Chain of custody receipt

Source #74401

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: SC 13D — HOUSTON AMERICAN ENERGY CORP (2022-06-16)
Original URLhttps://www.sec.gov/Archives/edgar/data/1156041/000184502522000002/0001845025-22-000002-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2022-06-16
EntityAmerican Dental P. A. C.
Captured2026-09-28T13:29:36.583Z UTC
Hash computed at2026-09-28T13:29:36.583Z UTC
SHA-25657cbb1ded4152b81ec5c094b58cc4924c54a365097121ff717b8377499550e43
Content length655 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001156041",
    "0001845025"
  ],
  "period_ending": null,
  "file_num": [
    "005-78625"
  ],
  "display_names": [
    "HOUSTON AMERICAN ENERGY CORP  (HUSA)  (CIK 0001156041)",
    "Kling Tyler Hayden  (CIK 0001845025)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "SC 13D"
  ],
  "file_date": "2022-06-16",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "1311"
  ],
  "form": "SC 13D",
  "adsh": "0001845025-22-000002",
  "film_num": [
    "221018718"
  ],
  "biz_locations": [
    "Houston, TX",
    ""
  ],
  "file_type": "SC 13D",
  "file_description": null,
  "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/74401/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/74401/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/74401/receipt.json