Chain of custody receipt

Source #45124

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 (2009-04-13)
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
Date2009-04-13
Entity404 Media
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:01:59.649Z UTC
SHA-2560c53c39f2d2ff559149f1e5277ded62584cb9a9fc6ee652ec9bc5d9c946b6b66
Content length575 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000932859"
  ],
  "period_ending": "2009-03-31",
  "file_num": [
    "028-04558"
  ],
  "display_names": [
    "PARAMETRIC PORTFOLIO ASSOCIATES  (CIK 0000932859)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "13F-HR"
  ],
  "file_date": "2009-04-13",
  "biz_states": [
    "WA"
  ],
  "sics": [],
  "form": "13F-HR",
  "adsh": "0001193125-09-077682",
  "film_num": [
    "09746258"
  ],
  "biz_locations": [
    "Seattle, WA"
  ],
  "file_type": "13F-HR",
  "file_description": "FORM 13F HOLDINGS REPORT",
  "inc_states": [],
  "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/45124/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/45124/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/45124/receipt.json