Chain of custody receipt

Source #62558

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 — Boilermakers Union (2003-03-31)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Boilermakers%20Union%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2003-03-31
EntityBoilermakers Union
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:20:51.480Z UTC
SHA-256975adc9101861fae52abec897377d7bd0c816508db4d53efda7d75bdcd495f0e
Content length612 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000061986"
  ],
  "period_ending": "2002-12-31",
  "file_num": [
    "001-11978"
  ],
  "display_names": [
    "MANITOWOC CO INC  (MTW)  (CIK 0000061986)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2003-03-31",
  "biz_states": [
    "WI"
  ],
  "sics": [
    "3531"
  ],
  "form": "10-K",
  "adsh": "0000061986-03-000016",
  "film_num": [
    "03628269"
  ],
  "biz_locations": [
    "Manitowoc, WI"
  ],
  "file_type": "10-K",
  "file_description": "THE MANITOWOC COMPANY, INC. REPORT ON FORM 10-K",
  "inc_states": [
    "WI"
  ],
  "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/62558/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62558/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62558/receipt.json