Chain of custody receipt

Source #61907

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 Carriers (2006-11-17)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22National%20Assn%20of%20Letter%20Carriers%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2006-11-17
EntityNational Assn of Letter Carriers
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T00:28:20.389Z UTC
SHA-2561976a924de643da545a0a87f55b976de6ecd01636230ad5dda6ca5ad14c141a6
Content length579 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001273784"
  ],
  "period_ending": "2006-08-26",
  "file_num": [
    "333-111407"
  ],
  "display_names": [
    "NATIONAL BEEF PACKING CO LLC  (CIK 0001273784)"
  ],
  "xsl": null,
  "sequence": 2,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2006-11-17",
  "biz_states": [
    "MO"
  ],
  "sics": [
    "2011"
  ],
  "form": "10-K",
  "adsh": "0001003297-06-000434",
  "film_num": [
    "061226438"
  ],
  "biz_locations": [
    "Kansas City, MO"
  ],
  "file_type": "EX-21.1",
  "file_description": null,
  "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/61907/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61907/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61907/receipt.json