Chain of custody receipt

Source #40283

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 — Withum, Smith + Brown, PC (2025-07-22)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Withum%2C%20Smith%20%2B%20Brown%2C%20PC%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2025-07-22
EntityWithum, Smith + Brown, PC
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:15:17.880Z UTC
SHA-25681f9d8d2c96b76c23f6054f2e185639be746639770e790e8d6ccf9b33b7f7224
Content length586 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0002075068"
  ],
  "period_ending": null,
  "file_num": [
    "333-288875"
  ],
  "display_names": [
    "Invest Green Acquisition Corp  (CIK 0002075068)"
  ],
  "xsl": null,
  "sequence": "5",
  "root_forms": [
    "S-1"
  ],
  "file_date": "2025-07-22",
  "biz_states": [
    "NY"
  ],
  "sics": [],
  "form": "S-1",
  "adsh": "0001213900-25-066717",
  "film_num": [
    "251141124"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "EX-23.1",
  "file_description": "CONSENT OF WITHUM SMITH+BROWN, PC",
  "inc_states": [
    "E9"
  ],
  "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/40283/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40283/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40283/receipt.json