Chain of custody receipt

Source #72356

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: 10-K — BOK FINANCIAL CORP ET AL (2005-03-16)
Original URLhttps://www.sec.gov/Archives/edgar/data/875357/000087535705000011/0000875357-05-000011-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2005-03-16
EntityBok Financial
Captured2026-09-28T12:31:28.519Z UTC
Hash computed at2026-09-28T12:31:28.519Z UTC
SHA-256719a10e4e4d61a681c2cf7b164076119afd2bea822d51622bf9d7fd4ab5c4aa7
Content length584 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000875357"
  ],
  "period_ending": "2004-12-31",
  "file_num": [
    "000-19341"
  ],
  "display_names": [
    "BOK FINANCIAL CORP ET AL  (BOKF)  (CIK 0000875357)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2005-03-16",
  "biz_states": [
    "OK"
  ],
  "sics": [
    "6021"
  ],
  "form": "10-K",
  "adsh": "0000875357-05-000011",
  "film_num": [
    "05685033"
  ],
  "biz_locations": [
    "Tulsa, OK"
  ],
  "file_type": "10-K",
  "file_description": "2004 FORM 10-K",
  "inc_states": [
    "OK"
  ],
  "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/72356/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/72356/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/72356/receipt.json