Chain of custody receipt

Source #70585

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 — Tien John K Jr (2026-07-02)
Original URLhttps://www.sec.gov/Archives/edgar/data/100885/000010088526000226/0000100885-26-000226-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2026-07-02
EntityJohn K. Tien
Captured2026-09-27T19:50:25.924Z UTC
Hash computed at2026-09-27T19:50:25.924Z UTC
SHA-256a324c0eef7077a713e19eca3c7d35e6e49d449e0eb38978529ddba888541ed08
Content length675 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0002005848",
    "0000100885"
  ],
  "period_ending": "2026-07-01",
  "file_num": [
    "001-06075"
  ],
  "display_names": [
    "Tien John K Jr  (CIK 0002005848)",
    "UNION PACIFIC CORP  (CIK 0000100885)"
  ],
  "xsl": "xslF345X06",
  "schema_version": "X0609",
  "sequence": 1,
  "root_forms": [
    "4"
  ],
  "file_date": "2026-07-02",
  "biz_states": [
    "NE"
  ],
  "sics": [
    "4011"
  ],
  "form": "4",
  "adsh": "0000100885-26-000226",
  "film_num": [
    "261149248"
  ],
  "biz_locations": [
    "",
    "Omaha, NE"
  ],
  "file_type": "4",
  "file_description": "PRIMARY DOCUMENT",
  "inc_states": [
    "",
    "UT"
  ],
  "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/70585/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/70585/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/70585/receipt.json