Chain of custody receipt

Source #4968

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 — Brian Smith (2015-02-18)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Brian%20Smith%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2015-02-18
EntityBrian Smith
Captured2026-04-12T17:34:52.271Z UTC
Hash computed at2026-04-12T17:34:52.271Z UTC
SHA-256a62b1f83325dff906cd431426ac114fcb6c70e8ebe3ef6b7b657746a22b98e22
Content length59,821 bytes
Content preview (first 800 chars) 
{"took":1953,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":3079,"relation":"eq"},"max_score":13.757011,"hits":[{"_index":"edgar_file","_id":"0001019687-13-003512:arx_ex3201.htm","_score":13.757011,"_source":{"ciks":["0001437467"],"period_ending":"2013-07-31","file_num":["000-54904"],"display_names":["ARX Gold Corp (CIK 0001437467)"],"xsl":null,"sequence":4,"root_forms":["10-Q"],"file_date":"2013-09-10","biz_states":["C3"],"sics":["1311"],"form":"10-Q","adsh":"0001019687-13-003512","film_num":["131087472"],"biz_locations":["Brisbane Old…

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/4968/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4968/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4968/receipt.json