Chain of custody receipt

Source #13394

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.

TitleSEC EDGAR: filing — Young Kim (2005-08-30)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Young%20Kim%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2005-08-30
EntityYoung Kim
Captured2026-04-23T07:07:20.298Z UTC
Hash computed at2026-04-23T07:07:20.298Z UTC
SHA-256c93f595459d19389c78257bc193470743de3fc8b2e487d3a4a26a8eae0b995ef
Content length57,123 bytes
Content preview (first 800 chars)
{"took":709,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":89,"relation":"eq"},"max_score":17.6786,"hits":[{"_index":"edgar_file","_id":"0001145549-05-001561:h00029sc13d.txt","_score":17.6786,"_source":{"ciks":["0001313310","0001337062"],"period_ending":null,"file_num":["005-80768"],"display_names":["GRAVITY Co., Ltd. (GRVY) (CIK 0001313310)","Kim Jung Ryool (CIK 0001337062)"],"xsl":null,"sequence":1,"root_forms":["SC 13D"],"file_date":"2005-08-30","biz_states":["M5"],"sics":["7371"],"form":"SC 13D","adsh":"0001145549-05-001561","film_num":["051057477"],"biz_locations":["Seoul, M5"],"file_type":"SC 13D","file_description":"GRAVITY CO…

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/13394/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/13394/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/13394/receipt.json