Chain of custody receipt

Source #6244

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.

TitleMultiple news reports including NYT, WaPo, and court filings
Original URLhttps://www.opensecrets.org/donor-lookup/results?name=Reid+Hoffman&order=desc&sort=D
PublicationDirected Inquiry — Web Search
Source typediscovery_scope_note
Date2017-01-01
EntityReid Hoffman
Captured2026-04-13T02:58:12.295Z UTC
Hash computed at2026-04-13T02:58:12.295Z UTC
SHA-2565f64c5f9963bf4d600ac55e2bd03274b77ae0a685de7736d168d72e04efcdccc
Content length98 bytes
Content preview (first 800 chars) 
Reid Hoffman donated $750,000 to American Engagement Technologies through his Investing in US firm

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/6244/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6244/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6244/receipt.json