Chain of custody receipt

Source #66465

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: 4 — General Catalyst Group VIII, L.P. (2023-03-20)
Original URL	https://www.sec.gov/Archives/edgar/data/1764365/000089924323009100/0000899243-23-009100-index.htm
Publication	SEC EDGAR
Source type	`sec_filing`
Date	2023-03-20
Entity	General Catalyst
Captured	1970-01-01T00:00:00.000Z UTC
Hash computed at	2026-06-01T01:13:10.147Z UTC
SHA-256	`331656d950b63998408deb204a4625c74769c5aac8c15a0c98918e8b7825db42`
Content length	1,441 bytes

Content preview (first 800 chars)

{
  "ciks": [
    "0001764365",
    "0001663852",
    "0001663855",
    "0001883723",
    "0001786761",
    "0001801515",
    "0001642896"
  ],
  "period_ending": "2023-03-15",
  "file_num": [
    "001-41140",
    "001-41140",
    "001-41140",
    "001-41140",
    "001-41140",
    "001-41140"
  ],
  "display_names": [
    "GC Venture VIII, LLC  (CIK 0001764365)",
    "General Catalyst Group VIII, L.P.  (CIK 0001663852)",
    "General Catalyst Group VIII Supplemental, L.P.  (CIK 0001663855)",
    "General Catalyst Group XI - Endurance, L.P.  (CIK 0001883723)",
    "GC Venture VIII-B, LLC  (CIK 0001786761)",
    "General Catalyst Group X - Endurance, L.P.  (CIK 0001801515)",
    "Samsara Inc.  (IOT)  (CIK 0001642896)"
  ],
  "xsl": "xslF345X04",
  "schema_version": "X0407",
  "sequence"…

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/66465/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/66465/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/66465/receipt.json