Chain of custody receipt

Source #43852

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.

Title	SEC EDGAR: filing — Andreessen Horowitz (2025-09-08)
Original URL	https://efts.sec.gov/LATEST/search-index?q=%22Andreessen%20Horowitz%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
Publication	SEC EDGAR
Source type	`sec_filing`
Date	2025-09-08
Entity	Andreessen Horowitz (a16z)
Captured	1970-01-01T00:00:00.000Z UTC
Hash computed at	2026-05-13T05:05:26.323Z UTC
SHA-256	`522d544fd09379bef0d61f7bd7259d3c1ed3a2499ec09c6fa42594260a3b64f1`
Content length	1,969 bytes

Content preview (first 800 chars)

{
  "ciks": [
    "0001166586",
    "0001603198",
    "0001603403",
    "0001604853",
    "0001604855",
    "0001772420",
    "0001604857",
    "0001772284",
    "0001772287",
    "0001772407",
    "0001642896"
  ],
  "period_ending": "2025-09-08",
  "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 0001604853)",
    "Andreessen Horowitz Fund IV-B, L.P.  (CIK 0001604855)",
    "Andreessen Horowitz LSV Fund I-B, 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:

Take the URL field and the original document content.
Concatenate url + '\n' + content and SHA-256 it.
Compare to the SHA-256 row above.

Or POST the candidate content to /source/43852/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43852/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43852/receipt.json