Chain of custody receipt

Source #62606

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 — Edison Chouest Offshore (2003-03-26)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Edison%20Chouest%20Offshore%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2003-03-26
EntityEdison Chouest Offshore
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:22:43.041Z UTC
SHA-2564223a9d8329c601b93345cc63727bedc749e38ec0e7e3c697ed1ffaf27044e87
Content length571 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000054381"
  ],
  "period_ending": "2002-12-31",
  "file_num": [
    "333-66179"
  ],
  "display_names": [
    "KAMAN CORP  (CIK 0000054381)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2003-03-26",
  "biz_states": [
    "CT"
  ],
  "sics": [
    "5080"
  ],
  "form": "10-K",
  "adsh": "0000054381-03-000079",
  "film_num": [
    "03618913"
  ],
  "biz_locations": [
    "Bloomfield, CT"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10-K 12-31-02",
  "inc_states": [
    "CT"
  ],
  "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/62606/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62606/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62606/receipt.json