Chain of custody receipt

Source #67114

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: S-1/A — Chain Bridge I (2021-11-01)
Original URLhttps://www.sec.gov/Archives/edgar/data/1845149/000110465921132438/0001104659-21-132438-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2021-11-01
EntityChain Bridge I
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-06-01T02:06:22.324Z UTC
SHA-256e4dbbf2d23de771ef929b83e741b4ae21612b9842fa132656555b9199f844f2a
Content length588 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001845149"
  ],
  "period_ending": null,
  "file_num": [
    "333-254502"
  ],
  "display_names": [
    "Chain Bridge I  (CBRG, CBRGF, CBRGU)  (CIK 0001845149)"
  ],
  "xsl": null,
  "sequence": 6,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2021-11-01",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "6770"
  ],
  "form": "S-1/A",
  "adsh": "0001104659-21-132438",
  "film_num": [
    "211368345"
  ],
  "biz_locations": [
    "Burlingame, CA"
  ],
  "file_type": "EX-10.1",
  "file_description": "EXHIBIT 10.1",
  "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/67114/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/67114/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/67114/receipt.json