Chain of custody receipt

Source #5647

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 — Dustin Moskovitz (2022-09-16)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Dustin%20Moskovitz%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2022-09-16
EntityDustin Moskovitz
Captured2026-04-12T23:08:46.980Z UTC
Hash computed at2026-04-12T23:08:46.980Z UTC
SHA-256f932f6d1e68ec9081bdb3bd29a3fe0de03a6efb3d079616e2725defce747e4e7
Content length56,578 bytes
Content preview (first 800 chars) 
{"took":1410,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":108,"relation":"eq"},"max_score":33.91104,"hits":[{"_index":"edgar_file","_id":"0001193125-22-246424:d384252dsc13da.htm","_score":33.91104,"_source":{"ciks":["0001477720","0001549917"],"period_ending":null,"file_num":["005-91826"],"display_names":["Asana, Inc. (ASAN) (CIK 0001477720)","Moskovitz Dustin A. (CIK 0001549917)"],"xsl":null,"sequence":1,"root_forms":["SC 13D"],"file_date":"2022-09-16","biz_states":["CA"],"sics":["7372"],"form":"SC 13D/A","adsh":"0001193125-22-246424","film_num":["221248528"],"biz_locations":["San Francisco, CA",""],"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/5647/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5647/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5647/receipt.json