Chain of custody receipt

Source #67113

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: D — Chain Bridge Group (2021-11-30)
Original URLhttps://www.sec.gov/Archives/edgar/data/1845148/000184514821000001/0001845148-21-000001-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2021-11-30
EntityChain Bridge Group
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-06-01T02:06:15.694Z UTC
SHA-2561226f55553569602b9e58241930b4a3aa64748f4906a721e42b7ae22b0cfb2a5
Content length585 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001845148"
  ],
  "period_ending": null,
  "file_num": [
    "021-422943"
  ],
  "display_names": [
    "Chain Bridge Group  (CIK 0001845148)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2021-11-30",
  "biz_states": [
    "CA"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0001845148-21-000001",
  "film_num": [
    "211460099"
  ],
  "biz_locations": [
    "Burlingame, CA"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "E9"
  ],
  "items": [
    "06B"
  ]
}

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/67113/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/67113/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/67113/receipt.json