Chain of custody receipt

Source #65748

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: 10-K — AMAZON COM INC (2019-02-01)
Original URLhttps://www.sec.gov/Archives/edgar/data/1018724/000101872419000004/0001018724-19-000004-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2019-02-01
EntityAmazon.com, Inc.
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T05:17:39.925Z UTC
SHA-256f73b6aec63e2c1b5ce668b2c4df7ae9dd38ba26433c6f251562ca903eb4f8ce1
Content length577 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001018724"
  ],
  "period_ending": "2018-12-31",
  "file_num": [
    "000-22513"
  ],
  "display_names": [
    "AMAZON COM INC  (AMZN)  (CIK 0001018724)"
  ],
  "xsl": null,
  "sequence": 4,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2019-02-01",
  "biz_states": [
    "WA"
  ],
  "sics": [
    "5961"
  ],
  "form": "10-K",
  "adsh": "0001018724-19-000004",
  "film_num": [
    "19557427"
  ],
  "biz_locations": [
    "Seattle, WA"
  ],
  "file_type": "EX-23.1",
  "file_description": "EXHIBIT 23.1",
  "inc_states": [
    "DE"
  ],
  "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/65748/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65748/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65748/receipt.json