Chain of custody receipt

Source #65343

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: 4 — BLUE CROSS & BLUE SHIELD UNITED OF WISCONSIN (2003-01-07)
Original URLhttps://www.sec.gov/Archives/edgar/data/878897/000089706903000043/0000897069-03-000043-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2003-01-07
EntityBlue Cross/Blue Shield
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T03:40:51.521Z UTC
SHA-2569c0ca14338482b4f6e07e431510a7824530884eaa45a6818cea08af6b5ed1245
Content length683 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001034194",
    "0000878897"
  ],
  "period_ending": "2003-01-03",
  "file_num": [
    "001-13154"
  ],
  "display_names": [
    "BLUE CROSS & BLUE SHIELD UNITED OF WISCONSIN  (CIK 0001034194)",
    "AMERICAN MEDICAL SECURITY GROUP INC  (CIK 0000878897)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "4"
  ],
  "file_date": "2003-01-07",
  "biz_states": [
    "WI"
  ],
  "sics": [
    "6324"
  ],
  "form": "4",
  "adsh": "0000897069-03-000043",
  "film_num": [
    "03506651"
  ],
  "biz_locations": [
    "Milwaukee, WI",
    "Green Bay, WI"
  ],
  "file_type": "4",
  "file_description": "FORM 4",
  "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/65343/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65343/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65343/receipt.json