Chain of custody receipt

Source #61441

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 — Laborers Union (2007-09-27)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Laborers%20Union%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2007-09-27
EntityLaborers Union
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T00:13:11.861Z UTC
SHA-256e13e5a33760f17fad5ae8ff0c4ef639056fdd7f2ad6185b4b8ff09caf23ab693
Content length564 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000043350"
  ],
  "period_ending": "2007-06-30",
  "file_num": [
    "000-14183"
  ],
  "display_names": [
    "ENERGY WEST INC  (CIK 0000043350)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2007-09-27",
  "biz_states": [
    "MT"
  ],
  "sics": [
    "4924"
  ],
  "form": "10-K",
  "adsh": "0000950153-07-002067",
  "film_num": [
    "071139338"
  ],
  "biz_locations": [
    "Great Falls, MT"
  ],
  "file_type": "10-K",
  "file_description": "10-K",
  "inc_states": [
    "MT"
  ],
  "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/61441/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61441/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61441/receipt.json