Chain of custody receipt

Source #15666

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: Amkor Technology Korea — Corporate registrations (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typegovernment_disclosure
Date2026
EntityAmkor Technology Korea
Captured2026-04-23T09:08:39.095Z UTC
Hash computed at2026-04-23T09:08:39.095Z UTC
SHA-2562b196407811b58359c3e4b78ad85ea9fb273c64b78b27b0dfc829ddfd8e41a21
Content length227 bytes
Content preview (first 800 chars) 
No Corporate registrations found for "Amkor Technology Korea" in public databases or web search. This may be due to name variations, subsidiary filings, or limited search coverage — not necessarily absence from public record.

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/15666/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/15666/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/15666/receipt.json