Chain of custody receipt

Source #1594

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: David Sacks — cross-reference insights
Original URL(none — typed-API result with no web URL)
PublicationAI Research Pass
Source typegovernment_disclosure
Date2026
EntityDavid Sacks
Captured2026-04-07T04:20:25.494Z UTC
Hash computed at2026-04-07T04:20:25.494Z UTC
SHA-256ed56bd7ebe53e0db82902f71227d015095ee4c51e7586477e5816c0d88e00eb2
Content length1,724 bytes
Content preview (first 800 chars)
```json
{
  "facts": [
    {
      "text": "David Sacks has a documented history of SEC filings spanning over a decade, from 2010 to 2021, suggesting involvement in publicly traded companies or securities transactions requiring disclosure",
      "date": "2010-2021",
      "confidence": "inferential"
    },
    {
      "text": "Multiple SEC filings in early 2010 (February and March) followed by another in December 2010 may indicate significant corporate activity or stock transactions during that period",
      "date": "2010",
      "confidence": "inferential"
    },
    {
      "text": "The gap between the 2012 filing and the next documented filing in 2019 (7 years) suggests either a period of reduced public market activity or involvement in private companies not requiring SEC…

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/1594/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1594/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1594/receipt.json