Chain of custody receipt

Source #11016

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.

TitleIndustry analysis and news reports
Original URLhttps://www.morganlewis.com/pubs/2026/03/securities-enforcement-roundup-february-2026
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-12-31
EntityKalshi
Captured2026-04-16T04:50:43.909Z UTC
Hash computed at2026-04-16T04:50:43.909Z UTC
SHA-2565227cfc5a65229428e39183a8a71ce850781ec6e9bec43891e3356bacab2bb78
Content length116 bytes
Content preview (first 800 chars)
Prediction markets handled more than $40 billion in bets in 2025, quadrupling market size to $63.5 billion valuation

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/11016/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/11016/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/11016/receipt.json