Chain of custody receipt

Source #16784

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.

TitleResearch: Peter Van Valkenburgh — Lobbying disclosures (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typegovernment_disclosure
Date2026
EntityPeter Van Valkenburgh
Captured2026-04-23T09:42:04.933Z UTC
Hash computed at2026-04-23T09:42:04.933Z UTC
SHA-2568130cd30c19fb863d68cecf75e017a43d7d4216d35136f04f0a541df24ca0faf
Content length223 bytes
Content preview (first 800 chars) 
No Lobbying disclosures found for "Peter Van Valkenburgh" in public databases or web search. This may be due to name variations, subsidiary filings, or limited search coverage — not necessarily absence from public record.

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/16784/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/16784/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/16784/receipt.json