Chain of custody receipt

Source #39924

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 — Coinbase (2025-11-14)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Coinbase%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2025-11-14
EntityCoinbase
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:15:17.880Z UTC
SHA-256cf6b64798498330e59a1fde95fb4d535b925e9deb0df86e34066c2d177dc6952
Content length577 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0002073505"
  ],
  "period_ending": null,
  "file_num": [
    "333-288363"
  ],
  "display_names": [
    "Kraneshares Crypto Trust  (CIK 0002073505)"
  ],
  "xsl": null,
  "sequence": 11,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2025-11-14",
  "biz_states": [
    "DE"
  ],
  "sics": [
    "6221"
  ],
  "form": "S-1/A",
  "adsh": "0001829126-25-009228",
  "film_num": [
    "251488138"
  ],
  "biz_locations": [
    "Wilmington, DE"
  ],
  "file_type": "EX-10.8",
  "file_description": "EXHIBIT 10.8",
  "inc_states": [
    "DE"
  ],
  "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/39924/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/39924/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/39924/receipt.json