Chain of custody receipt

Source #62672

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 — International Brotherhood of Electrical Workers (2014-02-14)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22International%20Brotherhood%20of%20Electrical%20Workers%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2014-02-14
EntityInternational Brotherhood of Electrical Workers
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:23:10.475Z UTC
SHA-25679e5de75beb0a38483dc47f7865b07a7ba5fe439142580dcc45e8e2eb858693f
Content length644 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000936340"
  ],
  "period_ending": "2013-12-31",
  "file_num": [
    "001-11607"
  ],
  "display_names": [
    "DTE ENERGY CO  (DTB, DTE, DTG, DTW)  (CIK 0000936340)"
  ],
  "xsl": null,
  "sequence": 11,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2014-02-14",
  "biz_states": [
    "MI"
  ],
  "sics": [
    "4911"
  ],
  "form": "10-K",
  "adsh": "0000936340-14-000014",
  "film_num": [
    "14616080"
  ],
  "biz_locations": [
    "Detroit, MI"
  ],
  "file_type": "EX-99.55",
  "file_description": "1ST AMENDMENT TO AMENDMENT AND RESTATEMENT OF MASTER TRUST AGRMT",
  "inc_states": [
    "MI"
  ],
  "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/62672/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62672/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62672/receipt.json