Chain of custody receipt

Source #45638

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 — SEC Staff Accounting Bulletin No. 121 (2025-10-31)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22SEC%20Staff%20Accounting%20Bulletin%20No.%20121%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2025-10-31
EntitySEC Staff Accounting Bulletin No. 121
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:45:55.076Z UTC
SHA-256ea03a886843a8ad5d5b02055695dde068b40de7bf21c674fe68c9bebdf9d2d0e
Content length584 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001437750"
  ],
  "period_ending": "2025-06-30",
  "file_num": [
    "000-56528"
  ],
  "display_names": [
    "T-REX Acquisition Corp.  (TRXA)  (CIK 0001437750)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2025-10-31",
  "biz_states": [
    "FL"
  ],
  "sics": [
    "6199"
  ],
  "form": "10-K",
  "adsh": "0001477932-25-007836",
  "film_num": [
    "251437800"
  ],
  "biz_locations": [
    "Plantation, FL"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10-K",
  "inc_states": [
    "NV"
  ],
  "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/45638/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/45638/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/45638/receipt.json