Chain of custody receipt

Source #10477

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 — U.S. Attorney's Office for the Southern District of Florida (2011-02-24)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22U.S.%20Attorney's%20Office%20for%20the%20Southern%20District%20of%20Florida%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2011-02-24
EntityU.S. Attorney's Office for the Southern District of Florida
Captured2026-04-15T08:01:42.919Z UTC
Hash computed at2026-04-15T08:01:42.919Z UTC
SHA-2569bbeab427b5246c08b60a9f7f255c2142f1c7cfd57ec1a18c8752f22a1317816
Content length9,186 bytes
Content preview (first 800 chars) 
{"took":3141,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":14,"relation":"eq"},"max_score":26.305077,"hits":[{"_index":"edgar_file","_id":"0001193125-10-244738:R15.xml","_score":26.305077,"_source":{"ciks":["0000893949"],"period_ending":"2010-09-30","file_num":["001-12111"],"display_names":["MEDNAX, INC. (MD) (CIK 0000893949)"],"xsl":null,"sequence":17,"root_forms":["10-Q"],"file_date":"2010-11-03","biz_states":["FL"],"sics":["8060"],"form":"10-Q","adsh":"0001193125-10-244738","film_num":["101159629"],"biz_locations":["Sunrise, FL"],"file_type":"XML","file_description":"IDEA: Commitments and…

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/10477/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10477/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10477/receipt.json