Chain of custody receipt

Source #62749

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 — National Builders (2014-03-31)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22National%20Assn%20of%20Home%20Builders%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2014-03-31
EntityNational Assn of Home Builders
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:23:50.389Z UTC
SHA-2566ad5be54bb89a70c0b1f924da1572e17e8f8f8a6ffafbba066a6fec39a9ec4c8
Content length583 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001299969"
  ],
  "period_ending": "2013-12-31",
  "file_num": [
    "001-32375"
  ],
  "display_names": [
    "Comstock Holding Companies, Inc.  (CHCI)  (CIK 0001299969)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2014-03-31",
  "biz_states": [
    "VA"
  ],
  "sics": [
    "1531"
  ],
  "form": "10-K",
  "adsh": "0001193125-14-124091",
  "film_num": [
    "14730810"
  ],
  "biz_locations": [
    "Reston, VA"
  ],
  "file_type": "10-K",
  "file_description": "10-K",
  "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/62749/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62749/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62749/receipt.json