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 — Singerman Brian Aaron (2020-12-16) |
|---|---|
| Original URL | https://www.sec.gov/Archives/edgar/data/1695329/000120919120063866/0001209191-20-063866-index.htm |
| Publication | SEC EDGAR |
| Source type | sec_filing |
| Date | 2020-12-16 |
| Entity | Brian Singerman |
| Captured | 1970-01-01T00:00:00.000Z UTC |
| Hash computed at | 2026-06-01T01:05:53.410Z UTC |
| SHA-256 | 8730de77257d59b52f32fb3d8fd60b355e973c4772890f4410ea53455472990f |
| Content length | 1,202 bytes |
{
"ciks": [
"0001695329",
"0001835310",
"0001835462",
"0001211060",
"0001616081",
"0001559720"
],
"period_ending": "2020-12-14",
"file_num": [
"001-39778",
"001-39778",
"001-39778",
"001-39778",
"001-39778"
],
"display_names": [
"Founders Fund II Management, LLC (CIK 0001695329)",
"Nosek Luke (CIK 0001835310)",
"Singerman Brian Aaron (CIK 0001835462)",
"THIEL PETER (CIK 0001211060)",
"Founders Fund IV Management, LLC (CIK 0001616081)",
"Airbnb, Inc. (ABNB) (CIK 0001559720)"
],
"xsl": "xslF345X03",
"schema_version": "X0306",
"sequence": 1,
"root_forms": [
"4"
],
"file_date": "2020-12-16",
"biz_states": [
"CA"
],
"sics": [
"7340"
],
"form": "4",
"adsh"…
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/66401/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/66401/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/66401/receipt.json