Chain of custody receipt

Source #12752

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 — Andreessen Horowitz (2025-03-12)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Andreessen%20Horowitz%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2025-03-12
EntityAndreessen Horowitz (a16z)
Captured2026-04-23T06:38:39.106Z UTC
Hash computed at2026-04-23T06:38:39.106Z UTC
SHA-256bc6fefa2eaeefacc4e5c4a97b815b2ffd66983a00749bcbc4df260658a6f4c08
Content length131,070 bytes
Content preview (first 800 chars) 
{"took":283,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":610,"relation":"eq"},"max_score":32.163292,"hits":[{"_index":"edgar_file","_id":"0001415889-25-007868:form4-03122025_090349.xml","_score":32.163292,"_source":{"ciks":["0001166586","0001603198","0001603403","0001604853","0001604855","0001772420","0001604857","0001772284","0001772287","0001772407","0001642896"],"period_ending":"2025-03-10","file_num":["001-41140","001-41140","001-41140","001-41140","001-41140","001-41140","001-41140","001-41140","001-41140","001-41140"],"display_names":["HOROWITZ BENJAMIN A (CIK 0001166586)","Andreessen Horowitz Fund IV, L.P. (CIK 0001603198)","AH Equity Partners IV, L.L.C. (CIK 0001603403)","Andreessen Horowitz Fund IV-A, L.P. (CIK…

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/12752/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/12752/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/12752/receipt.json