Chain of custody receipt

Source #40718

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 — Marty Matlock (2011-12-02)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Marty%20Matlock%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2011-12-02
EntityMarty Matlock
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:13:47.632Z UTC
SHA-256ae1073128b6edc11ad5634f517b965e7f87c213c1fbeff6eebf7a4d1f13bd8bb
Content length583 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001392047"
  ],
  "period_ending": null,
  "file_num": [
    "021-169580"
  ],
  "display_names": [
    "BLUEINGREEN LLC  (CIK 0001392047)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0704",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2011-12-02",
  "biz_states": [
    "AR"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0001392047-11-000001",
  "film_num": [
    "111241368"
  ],
  "biz_locations": [
    "Fayetteville, AR"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "AR"
  ],
  "items": [
    "06"
  ]
}

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/40718/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40718/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40718/receipt.json