Chain of custody receipt

Source #65625

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 13G/A — Koch Companies Defined Benefit Master Trust (2024-08-13)
Original URLhttps://www.sec.gov/Archives/edgar/data/1747172/000119312524199890/0001193125-24-199890-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2024-08-13
EntityKoch Inc
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T05:12:53.295Z UTC
SHA-2569a32d1eedcd8253a614381d9d1419eece8da2be7b78e00a6ae0007f95b19f2fb
Content length698 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001747172",
    "0001884966"
  ],
  "period_ending": null,
  "file_num": [
    "005-93222"
  ],
  "display_names": [
    "Kayne Anderson BDC, Inc.  (KBDC)  (CIK 0001747172)",
    "Koch Companies Defined Benefit Master Trust  (CIK 0001884966)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "SC 13G"
  ],
  "file_date": "2024-08-13",
  "biz_states": [
    "TX",
    "AZ"
  ],
  "sics": [],
  "form": "SC 13G/A",
  "adsh": "0001193125-24-199890",
  "film_num": [
    "241203280"
  ],
  "biz_locations": [
    "Houston, TX",
    "Scottsdale, AZ"
  ],
  "file_type": "SC 13G/A",
  "file_description": "SC 13G/A",
  "inc_states": [
    "DE",
    "NY"
  ],
  "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/65625/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65625/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65625/receipt.json