Chain of custody receipt

Source #65403

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 — GILEAD SCIENCES INC (2020-02-25)
Original URLhttps://www.sec.gov/Archives/edgar/data/882095/000088209520000006/0000882095-20-000006-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2020-02-25
EntityGilead Sciences
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-31T03:42:38.913Z UTC
SHA-25692bb84d81295c173eb2cd56e107192bbc8943bb23e67a6e539586e0f4decbdab
Content length597 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0000882095"
  ],
  "period_ending": "2019-12-31",
  "file_num": [
    "000-19731"
  ],
  "display_names": [
    "GILEAD SCIENCES INC  (GILD)  (CIK 0000882095)"
  ],
  "xsl": null,
  "sequence": 5,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2020-02-25",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "2836"
  ],
  "form": "10-K",
  "adsh": "0000882095-20-000006",
  "film_num": [
    "20645803"
  ],
  "biz_locations": [
    "Foster City, CA"
  ],
  "file_type": "EX-21.1",
  "file_description": "LISTING OF SUBSIDIARIES",
  "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/65403/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/65403/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/65403/receipt.json