Chain of custody receipt

Source #5425

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 — Zachary Folkman (2024-10-30)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Zachary%20Folkman%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2024-10-30
EntityZachary Folkman
Captured2026-04-12T17:40:37.976Z UTC
Hash computed at2026-04-12T17:40:37.976Z UTC
SHA-25630e32dcabde7f36183b04da71c671771641052ac3115d12604a223d98bd737c4
Content length3,350 bytes
Content preview (first 800 chars) 
{"took":686,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":4,"relation":"eq"},"max_score":29.771183,"hits":[{"_index":"edgar_file","_id":"0001493152-26-019225:form10-ka.htm","_score":29.771183,"_source":{"ciks":["0000862861"],"period_ending":"2025-12-27","file_num":["000-19621"],"display_names":["ALT5 Sigma Corp (ALTS) (CIK 0000862861)"],"xsl":null,"sequence":1,"root_forms":["10-K"],"file_date":"2026-04-28","biz_states":["NV"],"sics":["6221"],"form":"10-K/A","adsh":"0001493152-26-019225","film_num":["26902991"],"biz_locations":["Las Vegas…

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/5425/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5425/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5425/receipt.json