Chain of custody receipt

Source #40803

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 — Ken Howery (2011-08-02)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Ken%20Howery%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2011-08-02
EntityKen Howery
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:13:47.632Z UTC
SHA-256cf1e0bbf3c6379d995ac21a2c4b7c27e1a7ef434d1f2582c29fab52d3865abb4
Content length574 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001417902"
  ],
  "period_ending": null,
  "file_num": [
    "021-163855"
  ],
  "display_names": [
    "ZocDoc Inc  (CIK 0001417902)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0704",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2011-08-02",
  "biz_states": [
    "NY"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0001417902-11-000003",
  "film_num": [
    "111004548"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "DE"
  ],
  "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/40803/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40803/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40803/receipt.json