{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-24T21:35:02.243Z",
  "record_id": "VXI-EXT-PROCUREMENT-X402-VERIFICATION-NOT-VALUE-TRANSFER-01-v1",
  "record_kind": "external_reference",
  "title": "x402 verification and payment state",
  "system": "x402 Foundation",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does an x402 v2 successful verify response establish that funds have moved?",
  "near_questions": [
    "Has an x402 isValid response transferred money?",
    "What distinguishes x402 verification from settlement?",
    "Can an API receipt rely only on the x402 verify endpoint?",
    "Which x402 payment state supports releasing a paid response?"
  ],
  "supported_claims": [
    {
      "claim": "The pinned x402 v2 specification defines verify as read-only. It checks an authorization without committing payment state. Settle is a separate operation whose effect depends on the selected scheme and payment flow. An isValid response therefore cannot substitute for the applicable settlement evidence.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Independent verification of payment, delivery or deployed controls",
    "The buyer network, actual transfer and delivered resource have not been observed.",
    "Buyer deployment testing, live runtime enforcement, certification or permission to act",
    "Expanded capabilities or licences for existing INDEX executables"
  ],
  "public_summary": "The pinned x402 v2 specification defines verify as read-only. It checks an authorization without committing payment state. Settle is a separate operation whose effect depends on the selected scheme and payment flow. An isValid response therefore cannot substitute for the applicable settlement evidence.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "X402 Protocol Specification",
    "source_url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/x402-specification-v2.md",
    "checked_on": "2026-10-24",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-X402-VERIFICATION-NOT-VALUE-TRANSFER-01-v1",
    "candidate_record_sha256": "252950aa034242f753f5555574e74bf33944287cb00392660ecb31611dd25339",
    "method": "Primary documentation reviewed for the published bounded statement.",
    "deployment_tested_by_varexis": false,
    "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "The pinned x402 v2 specification defines verify as read-only. It checks an authorization without committing payment state. Settle is a separate operation whose effect depends on the selected scheme and payment flow. An isValid response therefore cannot substitute for the applicable settlement evidence.",
    "required_buyer_context": "Selected scheme, network and payment flow; Verification response and matching settlement record; Resource request and entitlement correlation. Buyer deployment not inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "decision_profile": {
    "schema": "varexis-vendor-evidence-review/1",
    "review_status": "documentation_review_only",
    "checked_on": "2026-10-24",
    "claim_to_check": "Does an x402 v2 successful verify response establish that funds have moved?",
    "documented_statement": {
      "status": "documented",
      "statement": "The pinned x402 v2 specification defines verify as read-only. It checks an authorization without committing payment state. Settle is a separate operation whose effect depends on the selected scheme and payment flow. An isValid response therefore cannot substitute for the applicable settlement evidence.",
      "source_ids": [
        "x402-v2"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Release a paid API result only against the payment state required by its agreed flow. This is a review decision, not an observed buyer result.",
      "source_ids": [
        "x402-v2"
      ]
    },
    "buyer_evidence_required": [
      "Selected scheme, network and payment flow",
      "Verification response and matching settlement record",
      "Resource request and entitlement correlation"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Do not classify read-only verification as a completed transfer."
    },
    "unknowns": "The buyer network, actual transfer and delivered resource have not been observed.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "The buyer network, actual transfer and delivered resource have not been observed."
    },
    "evidence_sources": [
      {
        "source_id": "x402-v2",
        "url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/x402-specification-v2.md",
        "final_url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/x402-specification-v2.md",
        "status": 200,
        "captured_at_utc": "2026-10-24T21:23:33.811Z",
        "sha256": "55a86e49a2fc14fd1c94240cd7f74c2950b9ab61d3d577173defd39ae2eaaa44",
        "bytes": 38468,
        "title": "X402 Protocol Specification",
        "hash_basis": "Decoded HTTP response body bytes",
        "rights_review": "Original factual paraphrase and source metadata only; Apache-2.0 repository captures retained privately and not redistributed.",
        "checked_on": "2026-10-24",
        "capture_status": 200,
        "claim_review_completed": true,
        "reviewed_sections": [
          "7.1 POST /verify",
          "7.2 POST /settle",
          "6.1 Asset Transfer Methods and Payment Flow Models"
        ],
        "version_context": "Pinned x402-foundation/x402 revision 4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54 captured 2026-10-24. Documentation revision, not evidence that any buyer deployment conforms."
      }
    ],
    "observed_deployment": false,
    "commercial_reliance_boundary": "Documentation review only; the buyer must establish applicability and actual outcomes. INDEX does not inspect or control the deployment.",
    "paid_value": {
      "decision_context": "Release a paid API result only against the payment state required by its agreed flow.",
      "free": "Complete review, sources, practical questions and limitations; may be saved locally.",
      "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.",
      "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.",
      "excluded": [
        "Fresh vendor research",
        "Continuous monitoring or change alerts",
        "Testing the buyer configuration",
        "Private evidence or vendor certification"
      ],
      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
    },
    "revalidation": {
      "trigger": "A saved purchase does not recheck the source or buyer configuration.",
      "specific_watch": "Recheck the pinned specification against the selected scheme, network, provider version and buyer evidence before relying on a current outcome."
    },
    "buyer_relevance": "Release a paid API result only against the payment state required by its agreed flow.",
    "refusal_conditions": [
      "Do not classify read-only verification as a completed transfer."
    ]
  },
  "niche": {
    "niche_id": "agent-authority-action-evidence",
    "label": "Agent Authority & Action Evidence",
    "classification_id": "payments",
    "classification_label": "Agent Payments, Authority & Transaction Evidence",
    "topic_id": "payments",
    "buyer_intent": "Release a paid API result only against the payment state required by its agreed flow.",
    "comparison_role": "supplementary_discovery"
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "single_request",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "availability_endpoint": "/api/index/capabilities",
    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#x402-verification-not-value-transfer",
  "machine_readable_record": "/varexis-index/records/x402-verification-not-value-transfer.json"
}