Chain of custody receipt

Source #3157

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.

TitleFederal Register implementation of additional export controls on semiconductor manufacturing items
Original URLhttps://www.federalregister.gov/documents/2024/09/06/2024-19633/commerce-control-list-additions-and-revisions-implementation-of-controls-on-advanced-technologies
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2022-10-07
EntityBureau of Industry and Security (BIS)
Captured2026-04-08T20:05:12.226Z UTC
Hash computed at2026-04-08T20:05:12.226Z UTC
SHA-25658ab30c7a986b7543dfa858626fc75ef20f7d7c8e892e8376d75615ffc74b501
Content length241,988 bytes
Content preview (first 800 chars)
Federal Register

::

Commerce Control List Additions and Revisions; Implementation of Controls on Advanced Technologies Consistent With Controls Implemented by International Partners

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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.

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curl -X POST https://www.goblinhouse.net/source/3157/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3157/receipt.json