Chain of custody receipt

Source #13144

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 — Laura Friedman (2006-09-08)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Laura%20Friedman%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2006-09-08
EntityLaura Friedman
Captured2026-04-23T06:54:22.137Z UTC
Hash computed at2026-04-23T06:54:22.137Z UTC
SHA-2561abf9dce4c7be7a3959d6142e37f4b92c0a5cfdc167fa04965a77c4f3a7a4664
Content length22,808 bytes
Content preview (first 800 chars)
{"took":756,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":34,"relation":"eq"},"max_score":19.157024,"hits":[{"_index":"edgar_file","_id":"0000893877-06-000180:friedmanlaurapoa.txt","_score":19.157024,"_source":{"ciks":["0000912603","0001249512"],"period_ending":"2006-08-29","file_num":["000-22496"],"display_names":["SCHNITZER STEEL INDUSTRIES INC (RDUS) (CIK 0000912603)","FRIEDMAN LAURA SCHNITZER (CIK 0001249512)"],"xsl":null,"sequence":2,"root_forms":["4"],"file_date":"2006-09-08","biz_states":["OR"],"sics":["5090"],"form":"4","adsh":"0000893877-06-000180","film_num":["061081437"],"biz_locations":["Portland, OR","Portland, OR"],"file_type":"EX-24","file_description":"POWER OF…

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/13144/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/13144/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/13144/receipt.json