Chain of custody receipt

Source #595

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 — Matt Danzeisen (2021-01-11)
Original URLhttps://www.sec.gov/cgi-bin/browse-edgar?company=Matt%20Danzeisen&CIK=&type=&dateb=&owner=include&count=40&search_text=&action=getcompany
PublicationSEC EDGAR
Source typediscovery_scope_note
Date2021-01-11
EntityMatt Danzeisen
Captured2026-04-06T03:09:12.019Z UTC
Hash computed at2026-04-06T03:09:12.019Z UTC
SHA-256cc7eef6121413ef294849062d98ddbc43d1d4c84443367ad3bf0e127b9ce3b09
Content length586 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001815086"
  ],
  "period_ending": null,
  "file_num": [
    "333-251601"
  ],
  "display_names": [
    "Bridgetown Holdings Ltd  (CIK 0001815086)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2021-01-11",
  "biz_states": [
    "F4"
  ],
  "sics": [
    "6770"
  ],
  "form": "S-1/A",
  "adsh": "0001213900-21-001290",
  "film_num": [
    "21518992"
  ],
  "biz_locations": [
    "Hong Kong, F4"
  ],
  "file_type": "S-1/A",
  "file_description": "AMENDMENT NO. 1 TO FORM S-1",
  "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/595/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/595/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/595/receipt.json