Chain of custody receipt

Source #2611

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.

TitleWikipedia timeline of company founding
Original URLhttps://www.sec.gov/edgar.shtml
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date1990-01-01
EntityNigel Oakes
Captured2026-04-08T17:26:48.308Z UTC
Hash computed at2026-04-08T17:26:48.308Z UTC
SHA-256ea8687699f8fad93c22550efc1f83d89c8c84b6ff86d39940601ede904754916
Content length6,035 bytes
Content preview (first 800 chars)
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EDGAR Filer Management…

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/2611/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2611/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2611/receipt.json