Chain of custody receipt

Source #43948

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 — Ryan Mackenzie (2017-07-07)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Ryan%20Mackenzie%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2017-07-07
EntityRyan Mackenzie
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:05:26.323Z UTC
SHA-256b943276fa61b653117114f49edfd7f50ccfe9ec666e56e2f093a30022cf34146
Content length553 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001705458"
  ],
  "period_ending": null,
  "file_num": [
    "333-219193"
  ],
  "display_names": [
    "EMPEROR PAPER INDUSTRIES LTD  (CIK 0001705458)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2017-07-07",
  "biz_states": [
    "A0"
  ],
  "sics": [],
  "form": "S-1",
  "adsh": "0001511164-17-000387",
  "film_num": [
    "17955161"
  ],
  "biz_locations": [
    "Edmonton, A0"
  ],
  "file_type": "S-1",
  "file_description": "FORM S-1",
  "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/43948/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43948/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43948/receipt.json