Chain of custody receipt

Source #63

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.

TitleResearch: David Sacks - federal contracts site:usaspending.gov
Original URLhttps://www.usaspending.gov/search/?hash=eyJmaWx0ZXJzIjp7ImtleXdvcmQiOiJEYXZpZCBTYWNrcyJ9fQ
PublicationPublic Record Research
Source typediscovery_scope_note
Date2024
EntityDavid Sacks
Captured2026-04-05T07:38:49.064Z UTC
Hash computed at2026-04-05T07:38:49.064Z UTC
SHA-2568bd0281d857a8e51bd6eae26fb52059b58172697ae56f8c9c3115523a9a1f3e3
Content length812 bytes
Content preview (first 800 chars)
A search for direct federal contracts awarded to David Sacks personally on USASpending.gov would not yield results, as federal contracts are awarded to companies and organizations, not individuals. David Sacks is known primarily as a technology entrepreneur and venture capitalist (Craft Ventures, formerly PayPal, Yammer, Zenefits board). Any federal contract connections would be through companies he founded, invested in, or served as an executive. Based on publicly available information through my knowledge cutoff, there are no widely documented major federal contracts directly tied to Sacks-controlled entities that have been subjects of public reporting. In December 2024, Sacks was appointed as 'AI and Crypto Czar' by President-elect Trump, a White House advisory role, not a contracting…

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/63/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/63/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/63/receipt.json