Chain of custody receipt

Source #66087

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 — LUTNICK HOWARD W (2021-02-25)
Original URL	https://www.sec.gov/Archives/edgar/data/1251145/000121390021011610/0001213900-21-011610-index.htm
Publication	SEC EDGAR
Source type	`sec_filing`
Date	2021-02-25
Entity	Howard Lutnick
Captured	1970-01-01T00:00:00.000Z UTC
Hash computed at	2026-06-01T00:35:18.670Z UTC
SHA-256	`f0b72389a069845203bca68e0bcad697cb3d4dcdced6ea6d4b2c8a5144bab624`
Content length	1,059 bytes

Content preview (first 800 chars)

{
  "ciks": [
    "0001024896",
    "0001250975",
    "0001251145",
    "0001830079",
    "0001830081"
  ],
  "period_ending": "2021-02-23",
  "file_num": [
    "001-40079",
    "001-40079",
    "001-40079",
    "001-40079"
  ],
  "display_names": [
    "CANTOR FITZGERALD, L. P.  (CIK 0001024896)",
    "LUTNICK HOWARD W  (CIK 0001250975)",
    "CF GROUP MANAGEMENT INC  (CIK 0001251145)",
    "CFAC Holdings VI, LLC  (CIK 0001830079)",
    "CF Acquisition Corp. VI  (RUM, RUMBW)  (CIK 0001830081)"
  ],
  "xsl": "xslF345X03",
  "schema_version": "X0306",
  "sequence": 1,
  "root_forms": [
    "4"
  ],
  "file_date": "2021-02-25",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "6770"
  ],
  "form": "4",
  "adsh": "0001213900-21-011610",
  "film_num": [
    "21680134",
    "21680132"…

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/66087/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/66087/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/66087/receipt.json