Chain of custody receipt

Source #3578

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.

TitleDefense Security Monitor Top 100 Defense Contractors 2024
Original URLhttps://www.congress.gov/committee/senate-armed-services/ssas00?q=%7B%22source%22%3A%22committee-meetings%22%7D
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2024-11-12
EntitySpaceX
Captured2026-04-11T20:12:36.227Z UTC
Hash computed at2026-04-11T20:12:36.227Z UTC
SHA-256b006e9e50a91e603827d1cc36e7db0f8f4b94cae3b591e4fd8fd87e696eac0d1
Content length104,888 bytes
Content preview (first 800 chars)
Senate Armed Services Committee | Congress.gov | Library of Congress

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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/3578/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3578/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3578/receipt.json