Chain of custody receipt

Source #8612

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 — Richard Schwartz (2009-08-10)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Richard%20Schwartz%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2009-08-10
EntityRichard Schwartz
Captured2026-04-13T19:21:18.473Z UTC
Hash computed at2026-04-13T19:21:18.473Z UTC
SHA-256d3d24c36e4fcd60746c72419296ec7e894efa6dd7876d8044c00765403c7d14a
Content length59,559 bytes
Content preview (first 800 chars) 
{"took":2946,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":161,"relation":"eq"},"max_score":17.533243,"hits":[{"_index":"edgar_file","_id":"0001104659-23-027988:tm238222d1_sc13da.htm","_score":17.533243,"_source":{"ciks":["0001793659","0001373161"],"period_ending":null,"file_num":["005-91462"],"display_names":["Rush Street Interactive, Inc. (RSI) (CIK 0001793659)","BLUHM NEIL (CIK 0001373161)"],"xsl":null,"sequence":1,"root_forms":["SC 13D"],"file_date":"2023-03-02","biz_states":["IL"],"sics":["7990"],"form":"SC 13D/A","adsh":"0001104659-23-027988","film_num":["23700061"],"biz_locations":["Chicago, IL",""],"file_type":"SC 13D/A","file_description":"SC…

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/8612/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/8612/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/8612/receipt.json