Chain of custody receipt

Source #4022

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 — Michael Anton (2023-09-21)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Michael%20Anton%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2023-09-21
EntityMichael Anton
Captured2026-04-12T01:49:15.747Z UTC
Hash computed at2026-04-12T01:49:15.747Z UTC
SHA-2564dfaa43b8d1ca00a2671d692d074dc17cf510032f6a31d1b7731a5d311da3d43
Content length3,314 bytes
Content preview (first 800 chars) 
{"took":1195,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":4,"relation":"eq"},"max_score":13.191853,"hits":[{"_index":"edgar_file","_id":"0000884647-01-000002:0001.txt","_score":13.191853,"_source":{"ciks":["0000884647"],"period_ending":"2000-12-31","file_num":["000-20175"],"display_names":["NYER MEDICAL GROUP INC (CIK 0000884647)"],"xsl":null,"sequence":1,"root_forms":["10-K"],"file_date":"2001-04-02","biz_states":["ME"],"sics":["5047"],"form":"10-K","adsh":"0000884647-01-000002","film_num":["1591045"],"biz_locations":["Bangor…

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/4022/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4022/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4022/receipt.json