Chain of custody receipt

Source #62750

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 (2017-04-17)
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
Date2017-04-17
EntityNational Assn of Home Builders
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:23:50.411Z UTC
SHA-25672ddf8743c7698aa5f9c4d068790aedd6f9a22ead4f069734280c4ca762039b1
Content length588 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001299969"
  ],
  "period_ending": "2016-12-31",
  "file_num": [
    "001-32375"
  ],
  "display_names": [
    "Comstock Holding Companies, Inc.  (CHCI)  (CIK 0001299969)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2017-04-17",
  "biz_states": [
    "VA"
  ],
  "sics": [
    "1531"
  ],
  "form": "10-K",
  "adsh": "0001193125-17-126231",
  "film_num": [
    "17765431"
  ],
  "biz_locations": [
    "Reston, VA"
  ],
  "file_type": "10-K",
  "file_description": "FORM 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/62750/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62750/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62750/receipt.json