Chain of custody receipt

Source #45123

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 — 404 Media (2015-05-20)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22404%20Media%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2015-05-20
Entity404 Media
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:01:59.649Z UTC
SHA-256eca58172f9fc49d74ccbe64cd42ddd380244f9cf4393af350dc830de8bf232e1
Content length597 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001207017"
  ],
  "period_ending": "2014-12-31",
  "file_num": [
    "028-10469"
  ],
  "display_names": [
    "LAZARD ASSET MANAGEMENT LLC  (CIK 0001207017)"
  ],
  "xsl": "xslForm13F_X01",
  "sequence": 2,
  "root_forms": [
    "13F-HR"
  ],
  "file_date": "2015-05-20",
  "biz_states": [
    "NY"
  ],
  "sics": [],
  "form": "13F-HR/A",
  "adsh": "0001207017-15-000061",
  "film_num": [
    "15879435"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "INFORMATION TABLE",
  "file_description": "13F HOLDINGS",
  "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/45123/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/45123/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/45123/receipt.json