Chain of custody receipt

Source #62846

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: filing — Summit Carbon Solutions (2026-03-30)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Summit%20Carbon%20Solutions%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2026-03-30
EntitySummit Carbon Solutions
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:24:56.228Z UTC
SHA-256314f8fa700a9ec8bbb3fa0c6c0e5e79d7b233029234212ba10ea78c931234d11
Content length575 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000744187"
  ],
  "period_ending": "2026-01-31",
  "file_num": [
    "001-09097"
  ],
  "display_names": [
    "REX AMERICAN RESOURCES Corp  (REX)  (CIK 0000744187)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2026-03-30",
  "biz_states": [
    "OH"
  ],
  "sics": [
    "2860"
  ],
  "form": "10-K",
  "adsh": "0000930413-26-000937",
  "film_num": [
    "26812802"
  ],
  "biz_locations": [
    "Dayton, OH"
  ],
  "file_type": "10-K",
  "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/62846/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62846/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62846/receipt.json