Chain of custody receipt

Source #65029

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: 10-K — Mosaic ImmunoEngineering Inc. (2023-03-02)
Original URLhttps://www.sec.gov/Archives/edgar/data/836564/000168316823001237/0001683168-23-001237-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2023-03-02
EntityMosaic ImmunoEngineering Inc.
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T02:31:38.774Z UTC
SHA-2569fdf95d0dd323ed3a6193716fdf9e7afac91375b4600f61c60fdc31fb774e3d6
Content length637 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000836564"
  ],
  "period_ending": "2022-12-31",
  "file_num": [
    "000-22182"
  ],
  "display_names": [
    "Mosaic ImmunoEngineering Inc.  (CPMV)  (CIK 0000836564)"
  ],
  "xsl": null,
  "sequence": 6,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2023-03-02",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "2836"
  ],
  "form": "10-K",
  "adsh": "0001683168-23-001237",
  "film_num": [
    "23697992"
  ],
  "biz_locations": [
    "Huntington Beach, CA"
  ],
  "file_type": "EX-32.1",
  "file_description": "CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350",
  "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/65029/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65029/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65029/receipt.json