Chain of custody receipt

Source #40050

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 — We Must Protect (2007-10-19)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22We%20Must%20Protect%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2007-10-19
EntityWe Must Protect
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:15:17.880Z UTC
SHA-256f54c272de8e91c618919693d9cba0a7d010861b60abb106cc5bd4b3a5084291a
Content length627 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001067621",
    "0000009521"
  ],
  "period_ending": null,
  "file_num": [
    "005-19660"
  ],
  "display_names": [
    "GOLDSTEIN PHILLIP  (CIK 0001067621)",
    "BANCROFT FUND LTD  (BCV, BCV-PA)  (CIK 0000009521)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "SC 13D"
  ],
  "file_date": "2007-10-19",
  "biz_states": [
    "NJ"
  ],
  "sics": [],
  "form": "SC 13D/A",
  "adsh": "0001067621-07-000036",
  "film_num": [
    "071180912"
  ],
  "biz_locations": [
    "Morristown, NJ"
  ],
  "file_type": "SC 13D/A",
  "file_description": null,
  "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/40050/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40050/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40050/receipt.json