Chain of custody receipt

Source #3879

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 — Joe Chen (2006-07-17)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Joe%20Chen%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2006-07-17
EntityJoe Chen
Captured2026-04-12T01:48:09.178Z UTC
Hash computed at2026-04-12T01:48:09.178Z UTC
SHA-256f15b67bbdf6f09204f4b0ee25d750cc753339a84d95c2827394708099a33644a
Content length22,110 bytes
Content preview (first 800 chars) 
{"took":492,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":35,"relation":"eq"},"max_score":20.367275,"hits":[{"_index":"edgar_file","_id":"0000950103-06-001767:dp03104_sc13d.htm","_score":20.367275,"_source":{"ciks":["0001275014","0001367757"],"period_ending":null,"file_num":["005-79796"],"display_names":["ULTRA CLEAN HOLDINGS INC (UCTT) (CIK 0001275014)","Leonid & Inna Mezhvinsky as Trustees of the Revocable Trust Agreement of Leonid Mezhvinsky & Inna Mezhvinsky, Dated April 26, 1988 (CIK 0001367757)"],"xsl":null,"sequence":1,"root_forms":["SC 13D"],"file_date":"2006-07-17","biz_states":["CA"],"sics":["3674"],"form":"SC 13D","adsh":"0000950103-06-001767","film_num":["06963504"],"biz_locations":["","Hillsborough…

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/3879/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/3879/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/3879/receipt.json