Chain of custody receipt

Source #5611

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 — Alan Dershowitz (2012-04-17)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Alan%20Dershowitz%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2012-04-17
EntityAlan Dershowitz
Captured2026-04-12T23:08:34.169Z UTC
Hash computed at2026-04-12T23:08:34.169Z UTC
SHA-25604ed2b29c10e9a531bc84316dda4208c125f5d59c03d93f80c7878a2708cf187
Content length2,387 bytes
Content preview (first 800 chars) 
{"took":1210,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":2,"relation":"eq"},"max_score":14.429598,"hits":[{"_index":"edgar_file","_id":"0000107140-06-000071:qfy07q1.txt","_score":14.429598,"_source":{"ciks":["0000107140"],"period_ending":"2006-07-31","file_num":["001-11507"],"display_names":["WILEY JOHN & SONS INC (WLY, WLYB) (CIK 0000107140)"],"xsl":null,"sequence":1,"root_forms":["10-Q"],"file_date":"2006-09-11","biz_states":["NJ"],"sics":["2731"],"form":"10-Q","adsh":"0000107140-06-000071","film_num":["061084654"],"biz_locations":["Hoboken, NJ"],"file_type":"10-Q","file_description":"FY07 FIRST…

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/5611/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5611/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5611/receipt.json