Chain of custody receipt

Source #18001

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 — Christopher Stone (2021-03-29)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Christopher%20Stone%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2021-03-29
EntityChristopher Stone
Captured2026-04-23T14:01:35.924Z UTC
Hash computed at2026-04-23T14:01:35.924Z UTC
SHA-256a30012ddcb52320435c4192cff724cc2b810d97e040c1395d8aa6448f790519f
Content length62,097 bytes
Content preview (first 800 chars) 
{"took":694,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":117,"relation":"eq"},"max_score":16.272758,"hits":[{"_index":"edgar_file","_id":"0001193125-10-044613:dex1029.htm","_score":16.272758,"_source":{"ciks":["0000882104"],"period_ending":"2009-12-31","file_num":["000-19756"],"display_names":["PDL BIOPHARMA, INC. (CIK 0000882104)"],"xsl":null,"sequence":2,"root_forms":["10-K"],"file_date":"2010-03-01","biz_states":["NV"],"sics":["2836"],"form":"10-K","adsh":"0001193125-10-044613","film_num":["10644285"],"biz_locations":["Incline Village, NV"],"file_type":"EX-10.29","file_description":"OFFER LETTER BETWEEN THE COMPANY AND CHRISTOPHER…

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/18001/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/18001/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/18001/receipt.json