Chain of custody receipt

Source #66272

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: 4 — Founders Fund VI Principals Fund, LP (2020-06-11)
Original URLhttps://www.sec.gov/Archives/edgar/data/1669877/000089924320016196/0000899243-20-016196-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2020-06-11
EntityFounders Fund
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-06-01T00:50:38.382Z UTC
SHA-2561d8d9acc50b9a3acad59f804c96d2a33f548b27aea4596944dbee5db4abba5e6
Content length1,455 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001669877",
    "0001669879",
    "0001669874",
    "0001601424",
    "0001813981",
    "0001601419",
    "0001801777"
  ],
  "period_ending": "2020-06-09",
  "file_num": [
    "001-39306",
    "001-39306",
    "001-39306",
    "001-39306",
    "001-39306",
    "001-39306"
  ],
  "display_names": [
    "Founders Fund VI Principals Fund, LP  (CIK 0001669877)",
    "Founders Fund VI Entrepreneurs Fund, LP  (CIK 0001669879)",
    "Founders Fund VI, LP  (CIK 0001669874)",
    "Founders Fund V Principals Fund, LP  (CIK 0001601424)",
    "Founders Fund V Entrepreneurs Fund, LP  (CIK 0001813981)",
    "Founders Fund V, LP  (CIK 0001601419)",
    "Applied Molecular Transport Inc.  (CIK 0001801777)"
  ],
  "xsl": "xslF345X03",
  "schema_version": "X0306",
  "sequence": 1…

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/66272/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/66272/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/66272/receipt.json