Chain of custody receipt

Source #43449

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 — Investment Security Unit (2022-03-01)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Investment%20Security%20Unit%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2022-03-01
EntityInvestment Security Unit
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:08:53.614Z UTC
SHA-2568ea8ef62121855d2f266a71a54a3eb8a0aea320ce37489e8d3f41396342733ad
Content length591 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001820872"
  ],
  "period_ending": "2021-12-31",
  "file_num": [
    "001-39576"
  ],
  "display_names": [
    "Apollo Strategic Growth Capital  (GBTG)  (CIK 0001820872)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2022-03-01",
  "biz_states": [
    "E9"
  ],
  "sics": [
    "4700"
  ],
  "form": "10-K",
  "adsh": "0001104659-22-028779",
  "film_num": [
    "22699561"
  ],
  "biz_locations": [
    "Georgetown, E9"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10-K",
  "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/43449/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43449/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43449/receipt.json