Chain of custody receipt

Source #61589

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 — Northwestern Mutual (2005-03-10)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Northwestern%20Mutual%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2005-03-10
EntityNorthwestern Mutual
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T00:21:49.407Z UTC
SHA-2568cdc464f753030acf8240832d9caa92f5205fcfe68c3dc09c97bb8c0657b6a0e
Content length618 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001079577"
  ],
  "period_ending": "2004-12-31",
  "file_num": [
    "001-14925"
  ],
  "display_names": [
    "STANCORP FINANCIAL GROUP INC  (CIK 0001079577)"
  ],
  "xsl": null,
  "sequence": 7,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2005-03-10",
  "biz_states": [
    "OR"
  ],
  "sics": [
    "6321"
  ],
  "form": "10-K",
  "adsh": "0001193125-05-046514",
  "film_num": [
    "05672310"
  ],
  "biz_locations": [
    "Portland, OR"
  ],
  "file_type": "EX-10.20",
  "file_description": "GROUP DISABILITY INCOME REINSURANCE AGREEMENT",
  "inc_states": [
    "OR"
  ],
  "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/61589/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61589/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61589/receipt.json