Chain of custody receipt

Source #40842

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 — Edward Sanderson Jr. (2021-03-19)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Edward%20Sanderson%20Jr.%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-03-19
EntityEdward Sanderson Jr.
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:13:47.632Z UTC
SHA-256febcf1047b3f1e403f931a1b8aae862d4b7814155c662d6392f49df26908f6bb
Content length572 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": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2021-03-19",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "6770"
  ],
  "form": "S-1",
  "adsh": "0001104659-21-039079",
  "film_num": [
    "21758402"
  ],
  "biz_locations": [
    "Burlingame, CA"
  ],
  "file_type": "S-1",
  "file_description": "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/40842/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/40842/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/40842/receipt.json