Chain of custody receipt

Source #64671

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 — HENRY SCHEIN INC (2020-02-20)
Original URLhttps://www.sec.gov/Archives/edgar/data/1000228/000100022820000018/0001000228-20-000018-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2020-02-20
EntityHenry Schein Inc
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T01:06:34.063Z UTC
SHA-256d827000f41e50166641c4a49128c7353515937ccafd5ec9e2f22809d8f7ae9f2
Content length592 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001000228"
  ],
  "period_ending": "2019-12-28",
  "file_num": [
    "000-27078"
  ],
  "display_names": [
    "HENRY SCHEIN INC  (HSIC)  (CIK 0001000228)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2020-02-20",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "5047"
  ],
  "form": "10-K",
  "adsh": "0001000228-20-000018",
  "film_num": [
    "20634855"
  ],
  "biz_locations": [
    "Melville, NY"
  ],
  "file_type": "10-K",
  "file_description": "THE 2019 ANNUAL 10-K REPORT",
  "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/64671/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/64671/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/64671/receipt.json