Chain of custody receipt

Source #116

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 - SEC filing
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Hanmi%20Semiconductor%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationPublic Record Research
Source typeweb_search
Date2024
EntityHanmi Semiconductor
Captured2026-04-05T07:52:08.153Z UTC
Hash computed at2026-04-05T07:52:08.153Z UTC
SHA-256e81805a40ca2636b478c381af2c42ee4b9454a1a72fde21c3028375d414144d3
Content length3,342 bytes
Content preview (first 800 chars) 
{"took":3598,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":4,"relation":"eq"},"max_score":3.1459904,"hits":[{"_index":"edgar_file","_id":"0000056978-16-000239:a10k2016.htm","_score":3.1459904,"_source":{"ciks":["0000056978"],"period_ending":"2016-10-01","file_num":["000-00121"],"display_names":["KULICKE & SOFFA INDUSTRIES INC (KLIC) (CIK 0000056978)"],"xsl":null,"sequence":1,"root_forms":["10-K"],"file_date":"2016-11-17","biz_states":["U0"],"sics":["3674"],"form":"10-K","adsh":"0000056978-16-000239","film_num":["162003781"],"biz_locations":["Singapore…

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/116/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/116/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/116/receipt.json