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.
| Title | SEC EDGAR: 4 — Nguyen Phuong Dao (2022-02-24) |
|---|---|
| Original URL | https://www.sec.gov/Archives/edgar/data/1828972/000120919122012890/0001209191-22-012890-index.htm |
| Publication | SEC EDGAR |
| Source type | sec_filing |
| Date | 2022-02-24 |
| Entity | Dao Nguyen |
| Captured | 2026-10-03T00:41:19.020Z UTC |
| Hash computed at | 2026-10-03T00:41:19.020Z UTC |
| SHA-256 | 28e32eef53f06f57956a861632eec4847f51dc7f603a88ccfb180642abc2711e |
| Content length | 692 bytes |
{
"ciks": [
"0001886658",
"0001828972"
],
"period_ending": "2022-02-22",
"file_num": [
"001-39877"
],
"display_names": [
"Nguyen Phuong Dao (CIK 0001886658)",
"BuzzFeed, Inc. (BZFD, BZFDW) (CIK 0001828972)"
],
"xsl": "xslF345X03",
"schema_version": "X0306",
"sequence": 1,
"root_forms": [
"4"
],
"file_date": "2022-02-24",
"biz_states": [
"NY"
],
"sics": [
"4899"
],
"form": "4",
"adsh": "0001209191-22-012890",
"film_num": [
"22673841"
],
"biz_locations": [
"",
"New York, NY"
],
"file_type": "4",
"file_description": "FORM 4 SUBMISSION",
"inc_states": [
"",
"DE"
],
"items": []
}
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:
url + '\n' + content and SHA-256 it.Or POST the candidate content to /source/80589/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/80589/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/80589/receipt.json