Chain of custody receipt

Source #74925

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: 4 — China West Coal Energy Inc (2007-09-20)
Original URLhttps://www.sec.gov/Archives/edgar/data/1120096/000137948807000001/0001379488-07-000001-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2007-09-20
EntityWest Virginians For Coal
Captured2026-09-28T13:46:21.968Z UTC
Hash computed at2026-09-28T13:46:21.968Z UTC
SHA-256c358c790dd40c1f0bec50119e0ad4490172e09c466efc71510f0784f79daf74a
Content length669 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001120096",
    "0001379488"
  ],
  "period_ending": "2007-09-08",
  "file_num": [
    "000-51753"
  ],
  "display_names": [
    "China West Coal Energy Inc  (CIK 0001120096)",
    "Ren Baowen  (CIK 0001379488)"
  ],
  "xsl": "xslF345X02",
  "schema_version": "X0202",
  "sequence": 1,
  "root_forms": [
    "4"
  ],
  "file_date": "2007-09-20",
  "biz_states": [
    "A6"
  ],
  "sics": [
    "2860"
  ],
  "form": "4",
  "adsh": "0001379488-07-000001",
  "film_num": [
    "071128017"
  ],
  "biz_locations": [
    "Mississauga, A6"
  ],
  "file_type": "4",
  "file_description": "PRIMARY DOCUMENT",
  "inc_states": [
    "TX"
  ],
  "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/74925/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/74925/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/74925/receipt.json