InvoanceInvoance
Log inGet access

Stop saying 'trust us.'

Start proving it.

Invoance makes every business event, document, and AI output cryptographically verifiable — tamper-evident, regulator-ready, independent of your stack.

Get access
Invoance · Event Ledger
evt_4c8d2f
Event typepayment.approved
Content hash9f3a8b2c…d4e1c21e
Signatureed25519:7b1c…a4f9
Anchored at—
Issuer—
Verified · Tamper-evident
SHA-256 · Ed25519

Stop saying 'trust us.'

Start proving it.

Invoance makes every business event, document, and AI output cryptographically verifiable — tamper-evident, regulator-ready, independent of your stack.

Get access
Invoance · Event Ledger
evt_4c8d2f
Event typepayment.approved
Content hash9f3a8b2c…d4e1c21e
Signatureed25519:7b1c…a4f9
Anchored at—
Issuer—
Verified · Tamper-evident
SHA-256 · Ed25519
Event payload ingested
→
Ingested
Payload canonicalized
→
Canonicalized
SHA-256 payload hash
→
Hashed
Idempotency validated
→
Deduplicated
Ed25519 tenant signature
→
Signed
Ledger row committed
→
Anchored
Retention policy applied
→
Retained
Document hash validated
→
Validated
Domain ownership confirmed
→
Verified
Original bytes stored
→
Stored
Document Ed25519 signed
→
Signed
Anchor committed
→
Anchored
AI input SHA-256 hashed
→
Hashed
AI output SHA-256 hashed
→
Hashed
Attestation payload uploaded
→
Stored
Attestation Ed25519 signed
→
Signed
Attestation anchored
→
Anchored
Hash recomputed by verifier
→
Verifying
Signature independently checked
→
Verifying
Proof publicly verifiable
→
Verifiable
Event payload ingested
→
Ingested
Payload canonicalized
→
Canonicalized
SHA-256 payload hash
→
Hashed
Idempotency validated
→
Deduplicated
Ed25519 tenant signature
→
Signed
Ledger row committed
→
Anchored
Retention policy applied
→
Retained
Document hash validated
→
Validated
Domain ownership confirmed
→
Verified
Original bytes stored
→
Stored
Document Ed25519 signed
→
Signed
Anchor committed
→
Anchored
AI input SHA-256 hashed
→
Hashed
AI output SHA-256 hashed
→
Hashed
Attestation payload uploaded
→
Stored
Attestation Ed25519 signed
→
Signed
Attestation anchored
→
Anchored
Hash recomputed by verifier
→
Verifying
Signature independently checked
→
Verifying
Proof publicly verifiable
→
Verifiable

Every record should be provable.

Documents, events, AI outputs — all of it.

Document Integrity

Contracts, invoices, and compliance records move through dozens of hands. Any one of them can be altered, duplicated, or disputed.

Anchor documents cryptographically so every version is traceable.

Event Accountability

API calls, approvals, system changes, and business workflows generate critical events that auditors and regulators need to trust.

Seal every event into a tamper-evident ledger with cryptographic proof.

AI Transparency

AI is generating decisions, summaries, and content at scale. Proving what model produced what output — and when — is now a compliance requirement.

Attest AI outputs with verifiable, independently auditable proof.

Invoance exists so you never have to say “trust me”, only “verify it.”

Evidence at the moment it matters

Invoance captures critical business actions at the point of execution, creating durable evidence that remains reliable long after the event occurs.

Moment-based capture

Evidence is recorded when an action occurs, not reconstructed later. This prevents gaps, retroactive edits, and reliance on memory or secondary logs.

Context preserved

Each record includes the surrounding technical context needed for later verification, avoiding ambiguity when events are reviewed weeks or years later.

Designed for external scrutiny

Records are created with the assumption they may be questioned by auditors, counterparties, or regulators, not just internal teams.

Proof as infrastructure

Invoance is built to make verification a property of the system, not a responsibility of people, screenshots, or trust assumptions.

Deterministic input

Identical inputs always produce identical proofs. Verification does not depend on environment, timing, or interpretation.

Append-only history

Recorded events cannot be edited or erased. Any attempt to rewrite history becomes immediately detectable.

Independent validation

Proofs can be validated without access to internal systems, administrators, or vendor assurances.

Cost & coverage estimator

See what you pay and what you protect. Every event is anchored, timestamped, and independently verifiable — turning potential exposure into documented proof.

Monthly events 10K
1K1B
What you pay
Builder plan
Monthly
$149
250K events included
Annual
$1.8K
120K events anchored / year
Per event
$0.015
Cryptographic proof included
Exposure you cover
Monthly exposure covered
$1.5M
At $150 avg. liability per unverified event
Annual exposure covered
$18.0M
120K events with verifiable proof
Coverage ratio
10,067×
Exposure covered per dollar spent
Immutable ledger anchoringIndependent verificationTamper-evident audit trail7-year retentionAPI & dashboard access

Where verification becomes necessary

Records leave your system. Auditors ask questions. Disputes happen. In those moments, proof must stand on its own — independent of trust, vendors, or explanations.

See how it worksExplore the Event Ledger

At some point, trust stops working.

Verification becomes necessary.

Trust functions only while systems remain closed and aligned.

The moment records cross organizational, technical, or incentive boundaries, assumptions collapse. Verification is no longer optional — it becomes structural.

Closed systems

Inside controlled environments, authority and access often substitute for proof.

Boundary crossing

Once records leave those environments, authority dissolves and assumptions fail.

Structural verification

Only systems designed to produce independent proof remain reliable beyond trust.

Why Invoance
Your systemDistribute1IngestAPI / Webhook2HashSHA-2563SignEd255194AnchorImmutable ledgerLedgerAppend-only recordAudit logImmutable trailPublic proofVerification URLComplianceReportingInvoance verification pipeline
How Invoance handles a real business event

Any event your systems produce can be anchored the moment it occurs, without modifying existing workflows or tooling.

From that moment forward

It is cryptographically anchored, tamper-evident, and independently verifiable without changing how teams work.

Designed for how businesses already operate

How it works

Invoance attaches cryptographic proof to events that already occur — transactions, approvals, data changes, AI outputs — without adding friction to existing systems.

Zero disruption

No new review steps, no workflow changes, no team training. Proof is generated automatically the moment an event is recorded, invisible to day-to-day operations.

Proof by default

Every anchored record is immediately tamper-evident and independently verifiable. Teams don't need to think about it — the system handles integrity automatically.

Works alongside existing systems

Invoance integrates at the event layer. Business operations continue unchanged while tamper-evident proof is generated automatically in the background.

No operational overhead

No new review steps, manual checks, or team training. Proof is created at the moment an event occurs, regardless of its source or type.

Deterministic verification

When records are challenged, verification is mathematical. There is no interpretation, no reliance on internal authority, and no need to reconstruct context.

Covers the full event surface

Transactions, approvals, configuration changes, AI-generated outputs, data exports — any event your systems produce can be anchored and independently verified.

Built for audits, disputes, and regulators

When an audit, investigation, or legal review requires proof, Invoance produces it on demand — without depending on screenshots, log access, or internal testimony.

Get accessStart a conversation

Invoance — Digital Proof and Verification Infrastructure

Cryptographic proof infrastructure for business. Invoance makes every event, document, and AI output tamper-evident, regulator-ready, and independently verifiable. One API call. Permanent proof. No workflow changes.

Products

Event Ledger — an append-only, cryptographically signed record of any business event. Document Anchoring — prove any document existed, unchanged, at a specific point in time. AI Attestation — permanent, verifiable proof of AI inputs and outputs. Traces — group events into sealed, exportable proof bundles.

Invoance

Neutral digital proof infrastructure for business. Tamper-evident, independently verifiable records.

Subscribe to our newsletter

Products
Platform
How It Works
Developers
Verify
Resources
Help & Legal
Products
  • Event Ledger
  • Document Anchoring
  • AI Attestation
  • Traces
Platform
  • Why Invoance
  • For Compliance Teams
  • Pricing
  • Security
How It Works
  • Overview
  • Event Ledger
  • Document Anchoring
  • AI Attestation
Developers
  • Overview
  • Endpoints
  • Authentication
  • Concepts
Verify
  • Verify Document
  • Verify AI Attestation
  • Verify Event
  • Verify Trace
Resources
  • All Resources
  • SOC 2 Guide
  • HIPAA Guide
  • ISO 27001 Guide
Help & Legal
  • Support
  • Verification Help
  • FAQ
  • Legal Notice

Invoance provides technical verification and proof infrastructure for digital records. Invoance does not issue legal, financial, or regulatory advice.

Records anchored through Invoance are cryptographically signed and tamper-evident by design. Invoance does not verify the accuracy, legality, or authenticity of document contents — only that a record existed in a specific form at a specific time. Verification links are publicly resolvable and do not require authentication. Invoance does not act as a custodian of funds, a legal authority, or a regulated financial entity. Use of Invoance does not constitute legal compliance. Consult qualified counsel for your specific obligations.

© 2025 – 2026 Invoance. All rights reserved.•