Chain of custody receipt

Source #118

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.

TitleResearch: Hanmi Semiconductor - federal contracts site:usaspending.gov
Original URLhttps://www.usaspending.gov/search/?hash=eyJmaWx0ZXJzIjp7ImtleXdvcmQiOiJIYW5taSBTZW1pY29uZHVjdG9yIn19
PublicationPublic Record Research
Source typediscovery_scope_note
Date2024
EntityHanmi Semiconductor
Captured2026-04-05T07:52:24.949Z UTC
Hash computed at2026-04-05T07:52:24.949Z UTC
SHA-256aad2724c04e6eadd08ea5f6b6560e670c6203825cd5563c65ef7eb81fdf273c2
Content length845 bytes
Content preview (first 800 chars) 
Hanmi Semiconductor Co., Ltd. is a South Korea-based company specializing in semiconductor manufacturing equipment, particularly known for vision inspection systems and packaging equipment. Based on available training knowledge through early 2025, there are no documented U.S. federal contracts awarded directly to Hanmi Semiconductor appearing in USASpending.gov records. This is consistent with the company's primary business model as a Korean equipment manufacturer selling to commercial semiconductor fabrication companies rather than directly contracting with U.S. government agencies. The company's customers are typically private semiconductor manufacturers in Asia and globally. Any U.S. government semiconductor-related contracts would more typically flow to domestic contractors or…

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/118/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/118/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/118/receipt.json