Chain of custody receipt

Source #61540

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 Assn (2023-04-20)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22National%20Ready%20Mixed%20Concrete%20Assn%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2023-04-20
EntityNational Ready Mixed Concrete Assn
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T00:20:42.973Z UTC
SHA-2563b3ae354d44c5f96c32314025432b91c431390513b0aefe3db188b894ff82c62
Content length580 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001838226"
  ],
  "period_ending": "2023-03-31",
  "file_num": [
    "028-20466"
  ],
  "display_names": [
    "Accel Wealth Management  (CIK 0001838226)"
  ],
  "xsl": "xslForm13F_X02",
  "sequence": 2,
  "root_forms": [
    "13F-HR"
  ],
  "file_date": "2023-04-20",
  "biz_states": [
    "IA"
  ],
  "sics": [],
  "form": "13F-HR",
  "adsh": "0000870156-23-000015",
  "film_num": [
    "23832283"
  ],
  "biz_locations": [
    "Waverly, IA"
  ],
  "file_type": "INFORMATION TABLE",
  "file_description": null,
  "inc_states": [
    "IA"
  ],
  "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/61540/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61540/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61540/receipt.json