Chain of custody receipt

Source #21927

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.

TitleConstituency baseline: Demographic anchor
Original URLhttps://legisletter.org/legislator/brett-guthrie-G000558/district
PublicationCensus/BLS/SoS
Source typecongress_handoff
Date—
EntityBrett Guthrie
Captured2026-04-27T04:54:20.015Z UTC
Hash computed at2026-04-27T04:54:20.015Z UTC
SHA-256e76b21e1dd79166dae60058103521c8c1ec77d3a38095b8a0c74ba1b3351dafc
Content length5,980 bytes
Content preview (first 800 chars) 
Kentucky District 2 — Rep. Brett Guthrie Demographics & Map Legisletter Product

Platform

Campaign Pages No-code campaigns

AI Personalization CORE Unique constituent letters

Legislative Analysis Bill-aware messaging

Analytics Dashboard District-level insights

Advocate Verification Verify constituents

Congressional Calls AI call scripts

Track & Monitor

Legislative Tracker NEW Federal + state bills

Legislator Directory Every US legislator

Let's Talk Book a call about your advocacy needs

Solutions

By Level

Federal Congress & Senate

State 50 state legislatures

Local City, county & school

By Organization

Nonprofits 501(c)(3) & 501(c)(4) orgs

Associations Trade & member orgs

Public Affairs PA & regulatory teams

By Issue

Healthcare Reform Drugs, PBMs…

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/21927/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/21927/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/21927/receipt.json