Chain of custody receipt

Source #47736

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 — Twenty One Capital (2026-03-31)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Twenty%20One%20Capital%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2026-03-31
EntityTwenty One Capital
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:14:36.745Z UTC
SHA-25662f1f4841aeda97e184bcc80cfa8057004b92d8a8f2da4888b25b5d52cad25ca
Content length583 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0002070457"
  ],
  "period_ending": "2025-12-31",
  "file_num": [
    "001-42997"
  ],
  "display_names": [
    "Twenty One Capital, Inc.  (XXI)  (CIK 0002070457)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2026-03-31",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "6199"
  ],
  "form": "10-K",
  "adsh": "0001213900-26-037460",
  "film_num": [
    "26822105"
  ],
  "biz_locations": [
    "Austin, TX"
  ],
  "file_type": "10-K",
  "file_description": "ANNUAL REPORT",
  "inc_states": [
    "TX"
  ],
  "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/47736/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/47736/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/47736/receipt.json