Chain of custody receipt

Source #4911

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 — Luc Van den hove (2026-01-05)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Luc%20Van%20den%20hove%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2026-01-05
EntityLuc Van den hove
Captured2026-04-12T17:34:01.964Z UTC
Hash computed at2026-04-12T17:34:01.964Z UTC
SHA-256fad144014fe1d3c6d7148e2aa1eed85830d8d024f5fd85e83a9b238d8ec82588
Content length3,067 bytes
Content preview (first 800 chars) 
{"took":322,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":3,"relation":"eq"},"max_score":43.90303,"hits":[{"_index":"edgar_file","_id":"0000813672-26-000003:wk-form4_1767656215.xml","_score":43.90303,"_source":{"ciks":["0002103774","0000813672"],"period_ending":"2026-01-01","file_num":["000-15867"],"display_names":["Van den hove Luc (CIK 0002103774)","CADENCE DESIGN SYSTEMS INC (CIK 0000813672)"],"xsl":"xslF345X05","schema_version":"X0508","sequence":1,"root_forms":["4"],"file_date":"2026-01-05","biz_states":["CA"],"sics":["7372"],"form":"4","adsh":"0000813672-26-000003","film_num":["26508545"],"biz_locations":["","San Jose, CA"],"file_type":"4","file_description":"FORM…

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/4911/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4911/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4911/receipt.json