Module 1 · 10 minutes
The NotaryChain Trust Architecture
Learning objectives
- ◆ Explain why every NotaryChain ceremony produces court-grade evidence
- ◆ Describe what Hedera anchoring proves - and what it does not
- ◆ Identify the four layers of the platform evidence stack
1.1 · Why architecture matters to a regulator
A remote online notarization is only as strong as the evidence that survives it. NotaryChain was engineered so that every act generates four independent layers of proof: (1) the notarial record itself, (2) a SHA-256 cryptographic fingerprint of each document, (3) an immutable timestamp anchored to the Hedera public ledger, and (4) an AI + deterministic forensic analysis report. No single layer can be silently altered without breaking the others - which is exactly the tamper-evidence posture §117.245 and Rule 1N-7.001 expect of an electronic journal and its supporting records.
1.2 · Hedera anchoring in plain language
When a document is sealed, NotaryChain computes its SHA-256 hash - a unique 64-character fingerprint - and writes that fingerprint to the Hedera Consensus Service, a public distributed ledger operated by a council including Google, IBM, and Deloitte. The document itself NEVER leaves the platform; only the fingerprint is published. Anyone - a court, a title underwriter, a state auditor - can later re-hash the document and confirm the fingerprint matches the ledger entry, proving the document existed in exactly that form at exactly that consensus timestamp. Alter one pixel or one comma, and the fingerprint no longer matches.
1.3 · The evidence stack at a glance
Layer 1 - Ceremony record: identities verified, method used, audio-video recording reference, certificate wording. Layer 2 - Document integrity: SHA-256 hash + envelope encryption (each file sealed with its own data key, itself sealed by a master key). Layer 3 - Public anchor: Hedera consensus timestamp, transaction ID, and topic sequence, all publicly verifiable. Layer 4 - Forensics: AI vision analysis (GPT-5.5) plus deterministic signals (font inconsistency, metadata anomalies, MRZ checksums on IDs) recorded at ceremony time.
Florida compliance anchor - F.S. §117.245(1)-(2); Rule 1N-7.001, F.A.C.
Florida requires online notaries to keep a secure electronic journal and retain recordings for 10 years. NotaryChain's append-only, hash-anchored architecture is designed so that a journal entry, once written, is tamper-evident for the full retention period.
Knowledge check
Q. What is published to the Hedera public ledger when a document is sealed?
A. Only the SHA-256 fingerprint (hash) of the document - never the document or any personal data.
Q. How long must Florida online notarization recordings be retained?
A. 10 years (§117.245(4)).