Chain of custody receipt

Source #43740

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 — Taiwan Semiconductor Manufacturing Company (TSMC) (2003-05-23)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Taiwan%20Semiconductor%20Manufacturing%20Company%20(TSMC)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2003-05-23
EntityTaiwan Semiconductor Manufacturing Company (TSMC)
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:05:26.323Z UTC
SHA-2562880322566a9f4639e6de02ce8f4e15cb80883dc742a43921f8357bbebe6d0da
Content length589 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001050776"
  ],
  "period_ending": "2002-09-30",
  "file_num": [
    "000-31089"
  ],
  "display_names": [
    "VIRAGE LOGIC CORP  (CIK 0001050776)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2003-05-23",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "3674"
  ],
  "form": "10-K/A",
  "adsh": "0000891618-03-002704",
  "film_num": [
    "03718295"
  ],
  "biz_locations": [
    "Fremont, CA"
  ],
  "file_type": "10-K/A",
  "file_description": "AMENDMENT NO. 1 TO FORM 10-K",
  "inc_states": [
    "CA"
  ],
  "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/43740/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43740/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43740/receipt.json