Chain of custody receipt

Source #9418

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 — Circuit Therapeutics (2014-04-30)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Circuit%20Therapeutics%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2014-04-30
EntityCircuit Therapeutics
Captured2026-04-13T21:12:53.386Z UTC
Hash computed at2026-04-13T21:12:53.386Z UTC
SHA-2569f8d83898853cf67cd5dcb155b0fb2ce4cbe733c742cde62b24f4653a07ba92f
Content length20,007 bytes
Content preview (first 800 chars) 
{"took":2877,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":33,"relation":"eq"},"max_score":6.6976385,"hits":[{"_index":"edgar_file","_id":"0001193125-14-172309:d716110d10ka.htm","_score":6.6976385,"_source":{"ciks":["0000811240"],"period_ending":"2013-12-31","file_num":["001-36385"],"display_names":["BIOLASE, INC (BIOL) (CIK 0000811240)"],"xsl":null,"sequence":1,"root_forms":["10-K"],"file_date":"2014-04-30","biz_states":["CA"],"sics":["3843"],"form":"10-K/A","adsh":"0001193125-14-172309","film_num":["14799199"],"biz_locations":["Irvine…

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/9418/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/9418/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/9418/receipt.json