Chain of custody receipt

Source #3623

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.

TitleChainCatcher analysis
Original URLhttps://fedspends.com/contracts/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-09-01
EntityBitGo
Captured2026-04-11T20:16:47.952Z UTC
Hash computed at2026-04-11T20:16:47.952Z UTC
SHA-256788083ac13983d386bf0fade5f07d94db8b4daca3c26f27a68706c0b95d2efb9
Content length81 bytes
Content preview (first 800 chars) 
Craft Ventures holds a 7.8% stake in BitGo, which filed for IPO in September 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/3623/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3623/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3623/receipt.json