Chain of custody receipt

Source #66586

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: D — Castelion Sep 2025 a Series of CGF2021 LLC (2025-10-30)
Original URLhttps://www.sec.gov/Archives/edgar/data/2094402/000209440225000001/0002094402-25-000001-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2025-10-30
EntityCastelion
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-06-01T01:21:14.383Z UTC
SHA-256884db2f7790b1b615189d49018ecba5944b56d9ad2eb7d3d7f66930ba7c5edc5
Content length629 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0002094402"
  ],
  "period_ending": null,
  "file_num": [
    "021-562538"
  ],
  "display_names": [
    "Castelion Sep 2025 a Series of CGF2021 LLC  (CIK 0002094402)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2025-10-30",
  "biz_states": [
    "DE"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0002094402-25-000001",
  "film_num": [
    "251433054"
  ],
  "biz_locations": [
    "Claymont, DE"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "DE"
  ],
  "items": [
    "06B",
    "3C",
    "3C.1"
  ]
}

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/66586/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/66586/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/66586/receipt.json