Chain of custody receipt

Source #74090

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: S-1/A — IMPACT BIOMEDICAL INC. (2022-08-02)
Original URLhttps://www.sec.gov/Archives/edgar/data/1834105/000149315222021049/0001493152-22-021049-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2022-08-02
EntityImpact
Captured2026-09-28T13:21:31.057Z UTC
Hash computed at2026-09-28T13:21:31.057Z UTC
SHA-256039483dba8c64211fb902b5684dc23212256221c9190e0ea081bed7109f7b8a5
Content length572 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001834105"
  ],
  "period_ending": null,
  "file_num": [
    "333-253037"
  ],
  "display_names": [
    "IMPACT BIOMEDICAL INC.  (IBO)  (CIK 0001834105)"
  ],
  "xsl": null,
  "sequence": 15,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2022-08-02",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "2834"
  ],
  "form": "S-1/A",
  "adsh": "0001493152-22-021049",
  "film_num": [
    "221130007"
  ],
  "biz_locations": [
    "Rochester, NY"
  ],
  "file_type": "EX-10.20",
  "file_description": null,
  "inc_states": [
    "NV"
  ],
  "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/74090/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/74090/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/74090/receipt.json