Chain of custody receipt

Source #1697

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.

TitleAI Analysis: Founders Fund — cross-reference insights
Original URL(none — typed-API result with no web URL)
PublicationAI Research Pass
Source typegovernment_disclosure
Date2026
EntityFounders Fund
Captured2026-04-07T04:24:33.916Z UTC
Hash computed at2026-04-07T04:24:33.916Z UTC
SHA-2564d37194f918f24d14a8f4b137bc8ff25133d50459cb81a0647eefb6664095ff1
Content length1,531 bytes
Content preview (first 800 chars)
```json
{
  "facts": [
    {
      "text": "Founders Fund has consistent SEC EDGAR filing activity, with filings documented in 2020, 2021, and 2022, indicating regular regulatory compliance as an investment fund",
      "date": "2020-2022",
      "confidence": "inferential"
    },
    {
      "text": "Multiple SEC filings occurred in February 2021 (two filings on 2021-02-16) and February 2022, suggesting annual reporting cycles typical of investment funds",
      "date": "2021-02-16",
      "confidence": "inferential"
    },
    {
      "text": "No federal government contracts found through USASpending, indicating Founders Fund operates primarily in private sector investments rather than government contracting",
      "date": null,
      "confidence": "inferential"
    },
    {…

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/1697/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1697/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1697/receipt.json