Chain of custody receipt

Source #46321

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 — Thrive Capital (2021-02-17)
Original URL	https://efts.sec.gov/LATEST/search-index?q=%22Thrive%20Capital%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
Publication	SEC EDGAR
Source type	`sec_filing`
Date	2021-02-17
Entity	Thrive Capital
Captured	1970-01-01T00:00:00.000Z UTC
Hash computed at	2026-05-13T04:45:55.076Z UTC
SHA-256	`d028f85edb43ab8130432c1fe0f51ac10b151024a7b6bfe6fee5ec8a8ad7e044`
Content length	619 bytes

Content preview (first 800 chars)

{
  "ciks": [
    "0001841737"
  ],
  "period_ending": null,
  "file_num": [
    "021-389695"
  ],
  "display_names": [
    "Thrive Capital Partners VII, L.P.  (CIK 0001841737)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2021-02-17",
  "biz_states": [
    "NY"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0001841737-21-000002",
  "film_num": [
    "21644201"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "DE"
  ],
  "items": [
    "06B",
    "3C",
    "3C.7"
  ]
}

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.

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curl -X POST https://www.goblinhouse.net/source/46321/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/46321/receipt.json