Chain of custody receipt

Source #5243

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 — Wellington Management Company LLP (2018-09-14)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Wellington%20Management%20Company%20LLP%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2018-09-14
EntityWellington Management Company LLP
Captured2026-04-12T17:39:22.024Z UTC
Hash computed at2026-04-12T17:39:22.024Z UTC
SHA-2565cded0f5809ae126ee20facede645a7dc7b36b55af8ed2bf8309b01d2ac794be
Content length68,144 bytes
Content preview (first 800 chars) 
{"took":2150,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":10000,"relation":"gte"},"max_score":18.014126,"hits":[{"_index":"edgar_file","_id":"0001036288-02-000015:purchase.txt","_score":18.014126,"_source":{"ciks":["0000895665","0001036288"],"period_ending":null,"file_num":["005-42893"],"display_names":["SUPERCONDUCTOR TECHNOLOGIES INC (CLRD) (CIK 0000895665)","HILLMAN CO (CIK 0001036288)"],"xsl":null,"sequence":4,"root_forms":["SC 13D"],"file_date":"2002-11-07","biz_states":["CA","PA"],"sics":["3663"],"form":"SC 13D/A","adsh":"0001036288-02-000015","film_num":["02811849"],"biz_locations":["Santa Barbara, CA","Pittsburgh, PA"],"file_type":"EX-2","file_description":"SIGNATURE PAGE TO SECURITIES PURCHASE…

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/5243/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5243/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5243/receipt.json