Chain of custody receipt

Source #60853

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 — American Postal Workers Union (2011-03-31)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22American%20Postal%20Workers%20Union%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2011-03-31
EntityAmerican Postal Workers Union
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-24T23:55:35.856Z UTC
SHA-2560f501124eea4f966a0ceb99590bebba806274e2b65735110ed04302347fc851f
Content length602 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001376074"
  ],
  "period_ending": "2010-12-31",
  "file_num": [
    "000-53174"
  ],
  "display_names": [
    "LEAF Equipment Leasing Income Fund III, L.P.  (CIK 0001376074)"
  ],
  "xsl": null,
  "sequence": 2,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2011-03-31",
  "biz_states": [
    "DE"
  ],
  "sics": [
    "7350"
  ],
  "form": "10-K",
  "adsh": "0001140361-11-019807",
  "film_num": [
    "11727749"
  ],
  "biz_locations": [
    "Wilmington, DE"
  ],
  "file_type": "EX-10.5",
  "file_description": "EXHIBIT 10.5",
  "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/60853/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/60853/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/60853/receipt.json