Chain of custody receipt

Source #61247

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 — Florida Crystals (2021-02-22)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Florida%20Crystals%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-02-22
EntityFlorida Crystals
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-24T23:57:43.932Z UTC
SHA-2561ed28af12a408215e847bbede26b1a0c14e983a959a3a101ee69f7640f22ca4c
Content length570 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001835636"
  ],
  "period_ending": null,
  "file_num": [
    "333-252624"
  ],
  "display_names": [
    "Advanced Merger Partners, Inc.  (CIK 0001835636)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2021-02-22",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "6770"
  ],
  "form": "S-1/A",
  "adsh": "0001193125-21-049392",
  "film_num": [
    "21658072"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "S-1/A",
  "file_description": "S-1/A",
  "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/61247/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/61247/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/61247/receipt.json