Chain of custody receipt

Source #75647

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/A — EMPIRE PETROLEUM CORP (2011-12-14)
Original URLhttps://www.sec.gov/Archives/edgar/data/887396/000088739611000039/0000887396-11-000039-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2011-12-14
EntityEmpire Strikes PAC; The
Captured2026-09-28T16:07:38.949Z UTC
Hash computed at2026-09-28T16:07:38.949Z UTC
SHA-2568566ee81b6c9c54c362a103b4b54a3bf39ebea209d6e41dd4945bf018116a1f6
Content length628 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000887396"
  ],
  "period_ending": "2011-12-14",
  "file_num": [
    "001-16653"
  ],
  "display_names": [
    "EMPIRE PETROLEUM CORP  (EP)  (CIK 0000887396)"
  ],
  "xsl": null,
  "sequence": 9,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2011-12-14",
  "biz_states": [
    "OK"
  ],
  "sics": [
    "1311"
  ],
  "form": "10-K/A",
  "adsh": "0000887396-11-000039",
  "film_num": [
    "111260242"
  ],
  "biz_locations": [
    "Tulsa, OK"
  ],
  "file_type": "EX-20",
  "file_description": "EXHIBIT 10.20 PROSPECT LETTER AGREEMENT - 1% W.I. OWNERS GV",
  "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/75647/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/75647/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/75647/receipt.json