Chain of custody receipt

Source #43211

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: filing — iShares Bitcoin Trust (IBIT) (2024-05-13)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22iShares%20Bitcoin%20Trust%20(IBIT)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2024-05-13
EntityiShares Bitcoin Trust (IBIT)
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:08:53.614Z UTC
SHA-256dabad96bf19170ed94308faf415fb4fc5a0731b5f3d412c667a89e5278003d9c
Content length576 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001133742"
  ],
  "period_ending": "2024-03-31",
  "file_num": [
    "028-06289"
  ],
  "display_names": [
    "BERKSHIRE CAPITAL HOLDINGS INC  (CIK 0001133742)"
  ],
  "xsl": "xslForm13F_X02",
  "sequence": 2,
  "root_forms": [
    "13F-HR"
  ],
  "file_date": "2024-05-13",
  "biz_states": [
    "CA"
  ],
  "sics": [],
  "form": "13F-HR",
  "adsh": "0001162044-24-000483",
  "film_num": [
    "24938695"
  ],
  "biz_locations": [
    "San Jose, CA"
  ],
  "file_type": "INFORMATION TABLE",
  "file_description": null,
  "inc_states": [],
  "items": []
}

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/43211/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43211/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43211/receipt.json