Chain of custody receipt

Source #66103

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.

Title	SEC EDGAR: 4 — CANTOR FITZGERALD & CO. (2025-12-19)
Original URL	https://www.sec.gov/Archives/edgar/data/1251145/000121390025123842/0001213900-25-123842-index.htm
Publication	SEC EDGAR
Source type	`sec_filing`
Date	2025-12-19
Entity	Cantor Fitzgerald
Captured	1970-01-01T00:00:00.000Z UTC
Hash computed at	2026-06-01T00:37:28.532Z UTC
SHA-256	`7bfe77acb386e26d04c928830a1b69d31942160c3c9f71120425271298001c03`
Content length	1,187 bytes

Content preview (first 800 chars)

{
  "ciks": [
    "0000017018",
    "0001024896",
    "0002048880",
    "0001251145",
    "0001219066",
    "0002016072"
  ],
  "period_ending": "2025-12-17",
  "file_num": [
    "001-42171",
    "001-42171",
    "001-42171",
    "001-42171",
    "001-42171"
  ],
  "display_names": [
    "CANTOR FITZGERALD & CO.  (CIK 0000017018)",
    "CANTOR FITZGERALD, L. P.  (CIK 0001024896)",
    "Lutnick Brandon  (CIK 0002048880)",
    "CF GROUP MANAGEMENT INC  (CIK 0001251145)",
    "CANTOR FITZGERALD SECURITIES  (CIK 0001219066)",
    "M3-Brigade Acquisition V Corp.  (CIK 0002016072)"
  ],
  "xsl": "xslF345X05",
  "schema_version": "X0508",
  "sequence": 1,
  "root_forms": [
    "4"
  ],
  "file_date": "2025-12-19",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "6770"
  ],
  "form": "4"…

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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/66103/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/66103/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/66103/receipt.json