Chain of custody receipt

Source #3609

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.

TitleMedium announcement and Wikipedia article
Original URLhttps://www.craftventures.com/team/david-sacks
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2023-11-01
EntityCraft Ventures LLC
Captured2026-04-11T20:15:56.869Z UTC
Hash computed at2026-04-11T20:15:56.869Z UTC
SHA-256fc94bf412c6eb9c55884bf050c35d3b096d1574b62f5a5c70205d1c3d5c19a50
Content length156 bytes
Content preview (first 800 chars) 
Craft Ventures announced $1.32 billion in fresh capital across Craft Ventures IV ($712 million) and Craft Ventures Growth II ($608 million) in November 2023

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/3609/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3609/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3609/receipt.json