Chain of custody receipt

Source #4681

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.

Title	Where can I find transcripts of congressional hearings? - Ask a Librarian
Original URL	https://ask.loc.gov/law/faq/300694
Publication	ask.loc.gov
Source type	`parliamentary_record`
Date	2026
Entity	Albert Bryan Jr.
Captured	2026-04-12T17:29:23.022Z UTC
Hash computed at	2026-04-12T17:29:23.022Z UTC
SHA-256	`c189fe6ca57df132afc69a1d183dff3e8b664b65ebfd5a7c8dd99ddbc23aff83`
Content length	1,968 bytes

Content preview (first 800 chars)

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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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/4681/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4681/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4681/receipt.json