Chain of custody receipt

Source #42773

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 — Larry Fink (2021-02-09)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Larry%20Fink%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-02-09
EntityLarry Fink
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:08:53.614Z UTC
SHA-256db1ea79af51f2cd1b3b0d124d499e830f7c085f614274114467c974e80f2ed95
Content length577 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001840148"
  ],
  "period_ending": null,
  "file_num": [
    "333-252918"
  ],
  "display_names": [
    "Mission Advancement Corp.  (CIK 0001840148)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2021-02-09",
  "biz_states": [
    "AZ"
  ],
  "sics": [
    "6770"
  ],
  "form": "S-1",
  "adsh": "0001213900-21-007796",
  "film_num": [
    "21608032"
  ],
  "biz_locations": [
    "Phoenix, AZ"
  ],
  "file_type": "S-1",
  "file_description": "REGISTRATION STATEMENT",
  "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/42773/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/42773/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/42773/receipt.json