Chain of custody receipt

Source #65803

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 — QUANTUM FUND S LP (2025-11-21)
Original URLhttps://www.sec.gov/Archives/edgar/data/2096614/000092963825004357/0000929638-25-004357-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2025-11-21
EntityQuantum Fund
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T05:18:17.030Z UTC
SHA-256fcf05b22e1dd81ed8366ac7c84a28f61217146f32724177b47b582dd9f1f1671
Content length602 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0002096614"
  ],
  "period_ending": null,
  "file_num": [
    "021-564700"
  ],
  "display_names": [
    "QUANTUM FUND S LP  (CIK 0002096614)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2025-11-21",
  "biz_states": [
    "MA"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0000929638-25-004357",
  "film_num": [
    "251505266"
  ],
  "biz_locations": [
    "Boston, MA"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "DE"
  ],
  "items": [
    "06B",
    "3C",
    "3C.1"
  ]
}

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/65803/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65803/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65803/receipt.json