Chain of custody receipt

Source #12275

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 — Ana Pinczuk (2025-05-13)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Ana%20Pinczuk%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2025-05-13
EntityAna Pinczuk
Captured2026-04-23T06:30:40.452Z UTC
Hash computed at2026-04-23T06:30:40.452Z UTC
SHA-256659fc129db13d9f4063f8369ca68c2f3f36a82161bcaf513442ae42a25b3e67a
Content length17,323 bytes
Content preview (first 800 chars) 
{"took":3289,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":29,"relation":"eq"},"max_score":25.966106,"hits":[{"_index":"edgar_file","_id":"0001564590-20-014183:plan-ex109_746.htm","_score":25.966106,"_source":{"ciks":["0001540755"],"period_ending":"2020-01-31","file_num":["001-38698"],"display_names":["Anaplan, Inc. (CIK 0001540755)"],"xsl":null,"sequence":3,"root_forms":["10-K"],"file_date":"2020-03-30","biz_states":["CA"],"sics":["7372"],"form":"10-K","adsh":"0001564590-20-014183","film_num":["20757236"],"biz_locations":["San Francisco…

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/12275/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/12275/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/12275/receipt.json