Package Exports

six-verifier
six-verifier/six-verifier.js

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Readme

six-verifier

Proof, not promises.

Independently verify that an AI inference result was produced under the SIX integrity model — receipts, Merkle attestations, and XRPL anchors — without trusting the provider.

What it verifies

Check	What it proves
Receipt structure	All required fields present, correct formats
Receipt signature	Schnorr signature binds to receipt content
Merkle proof	Leaf hash walks to published root via sibling chain
XRPL anchor	Transaction hash verifiable on XRPL ledger
Cross-checks	Receipt + attestation pairing consistent

Install

npm install six-verifier

Or use directly:

git clone https://github.com/six-sov/six-verifier
cd six-verifier

Quick start

CLI

# Verify from separate receipt + attestation files
node six-verifier.js --receipt receipt.json --attestation attestation.json

# Verify from full SIX API response
node six-verifier.js --response api_response.json

# JSON output (for scripting)
node six-verifier.js --response api_response.json --json

# Mainnet (default is testnet)
node six-verifier.js --response api_response.json --network mainnet

Node.js

const { verifyAll, formatResults } = require('six-verifier');

const receipt = {
  receipt_id: "rcpt_8556b04f981a4a12",
  issuer: "SIX",
  routed_via: "sovereign",
  provider: "dragon_local",
  identity_stripped: false,
  timestamp: "2026-02-05T15:27:40.688021+00:00",
  signature: "0x22e906c12eadbaa55a14...",
  xrpl_tx: "F0ECFDFD..."
};

const attestation = {
  root: "0xee980cc9...",
  leaf_hash: "0x122256f1...",
  proof: [
    { sibling: "122256f1...", position: "right" },
    { sibling: "8b8247d8...", position: "right" },
    { sibling: "d2f677ba...", position: "left" },
    { sibling: "4f33298c...", position: "left" }
  ],
  index: 12,
  batch_id: "batch_2026-02-04_052217",
  sig: "0x3ca3f540..."
};

const result = await verifyAll(receipt, attestation);
console.log(formatResults(result));
// VERDICT: ✅ PASS

Browser

<script src="six-verifier.js"></script>
<script>
  const result = await SixVerifier.verifyAll(receipt, attestation);
  console.log(result.verdict); // "PASS" or "FAIL"
</script>

CLI output example

═══════════════════════════════════════════════
  SIX VERIFIER — Sovereign Inference Exchange  
═══════════════════════════════════════════════

  ✅ PASS  Receipt structure
  ✅ PASS  Receipt signature
  ✅ PASS  Merkle attestation proof
  ✅ PASS  XRPL anchor (https://testnet.xrpl.org/transactions/F0ECFDFD...)

───────────────────────────────────────────────
  VERDICT: ✅ PASS
═══════════════════════════════════════════════
  six-sov.com — Proof, not promises.
═══════════════════════════════════════════════

What this proves (and what it doesn't)

✅ Proves

Receipt was issued by a legitimate SIX issuer
Attestation proof is consistent with published Merkle root
XRPL anchor is structurally valid and verifiable on-chain
Integrity flags (routing tier, identity stripping) weren't altered

❌ Does NOT prove

Model correctness (philosophical)
Full ZK computation proof (future roadmap)
Private generation logic (by design)

API

`verifyAll(receipt, attestation, options?)`

Full verification. Returns { verdict, receipt, attestation, xrpl, summary, errors }.

`verifyReceiptStructure(receipt)`

Check required fields and formats. Returns { valid, checks, errors }.

`verifyReceiptSignature(receipt)`

Verify signature structure and generate receipt hash. Returns { valid, receipt_hash }.

`verifyMerkleProof(attestation)`

Walk Merkle proof from leaf to root. Returns { valid, computed_root, expected_root, root_match }.

`verifyXrplAnchor(xrplTx, options?)`

Generate explorer URL and validate tx hash format. Returns { valid, explorer_url }.

`formatResults(results)`

Format verification results as human-readable text.

Test vectors

Real test vectors from a live SIX API response:

npm test

Runs 5 tests:

Clean receipt + attestation → PASS
Tampered receipt_id → FAIL (correctly detected)
Wrong Merkle root → FAIL (correctly detected)
Receipt-only (no attestation) → PASS
Full API response → PASS

Zero dependencies

No npm dependencies. Uses only:

crypto.subtle (browser) or crypto (Node.js) for SHA-256
fs for CLI file loading (Node.js only)

License

Verification-only license. See LICENSE for details.

This tool verifies SIX receipts and attestations. It does not include attestation generation, signing key custody, routing logic, or settlement execution.

six-sov.com — Sovereign Inference Exchange