Chain of custody receipt

Source #67399

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: D — PRMTHS 2026, a Series of Carbyne Capital Master, LLC (2026-05-11)
Original URLhttps://www.sec.gov/Archives/edgar/data/2134365/000213436526000001/0002134365-26-000001-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2026-05-11
EntityCarbyne
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-06-01T07:53:58.235Z UTC
SHA-2564f19c1cd7dfc55695169f9dd0f4baffd91a51d0a31b5efe74f80d78546b43b57
Content length635 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0002134365"
  ],
  "period_ending": null,
  "file_num": [
    "021-583456"
  ],
  "display_names": [
    "PRMTHS 2026, a Series of Carbyne Capital Master, LLC  (CIK 0002134365)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2026-05-11",
  "biz_states": [
    "FL"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0002134365-26-000001",
  "film_num": [
    "26960512"
  ],
  "biz_locations": [
    "Miami, FL"
  ],
  "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:

  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/67399/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/67399/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/67399/receipt.json