Chain of custody receipt

Source #12897

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 — James Cox (2021-01-05)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22James%20Cox%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2021-01-05
EntityJames Cox
Captured2026-04-23T06:39:58.549Z UTC
Hash computed at2026-04-23T06:39:58.549Z UTC
SHA-256b17fcb95e84e3d2d489e278f41bb527c15ba6f5c2ddbe0ad6df99ac0ea6a5cd4
Content length22,221 bytes
Content preview (first 800 chars) 
{"took":662,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":36,"relation":"eq"},"max_score":12.524162,"hits":[{"_index":"edgar_file","_id":"0001002225-08-000082:poadimarco2008v2.txt","_score":12.524162,"_source":{"ciks":["0001195460","0001002225"],"period_ending":"2008-07-30","file_num":["000-26994"],"display_names":["DIMARCO STEPHANIE (CIK 0001195460)","ADVENT SOFTWARE INC /DE/ (CIK 0001002225)"],"xsl":null,"sequence":2,"root_forms":["4"],"file_date":"2008-07-31","biz_states":["CA"],"sics":["7371"],"form":"4","adsh":"0001002225-08-000082","film_num":["08982964"],"biz_locations":["","San Francisco, CA"],"file_type":"EX-24","file_description":"EDGAR SUPPORTING…

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/12897/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/12897/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/12897/receipt.json