Chain of custody receipt

Source #3515

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.

TitleSoftBank Group Corp ownership disclosures
Original URLhttps://visionfund.com/portfolio
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-03-31
EntityMasayoshi Son
Captured2026-04-09T14:30:55.357Z UTC
Hash computed at2026-04-09T14:30:55.357Z UTC
SHA-256eed8658f9bdcbacc5ee2b17ee20dd79da644b0dc0f36402013a3910e16632622
Content length69 bytes
Content preview (first 800 chars) 
Masayoshi Son owns 29.68% of SoftBank Group Corp as of March 31, 2025

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/3515/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3515/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3515/receipt.json