Chain of custody receipt

Source #63820

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: filing — Hudson Bay Capital Management (2009-10-06)
Original URL	https://efts.sec.gov/LATEST/search-index?q=%22Hudson%20Bay%20Capital%20Management%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
Publication	SEC EDGAR
Source type	`sec_filing`
Date	2009-10-06
Entity	Hudson Bay Capital Management
Captured	1970-01-01T00:00:00.000Z UTC
Hash computed at	2026-05-27T01:44:46.723Z UTC
SHA-256	`a02b7c873e2eb89eca3783e8d884b8fc05d3037df9c9961b92240a752d7ad682`
Content length	1,056 bytes

Content preview (first 800 chars)

{
  "ciks": [
    "0001371217",
    "0001416593",
    "0001354129",
    "0001416398",
    "0001393825"
  ],
  "period_ending": "2009-10-02",
  "file_num": [
    "001-33818",
    "001-33818",
    "001-33818",
    "001-33818"
  ],
  "display_names": [
    "EnteroMedics Inc  (CIK 0001371217)",
    "Gerber Sander  (CIK 0001416593)",
    "Hudson Bay Fund LP  (CIK 0001354129)",
    "Hudson Bay Overseas Fund Ltd.  (CIK 0001416398)",
    "Hudson Bay Capital Management, L.P.  (CIK 0001393825)"
  ],
  "xsl": "xslF345X03",
  "schema_version": "X0303",
  "sequence": 1,
  "root_forms": [
    "4"
  ],
  "file_date": "2009-10-06",
  "biz_states": [
    "MN",
    "NY"
  ],
  "sics": [
    "3845"
  ],
  "form": "4",
  "adsh": "0000902664-09-003665",
  "film_num": [
    "091108714",
    "091108716"…

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/63820/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/63820/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/63820/receipt.json