{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-24T21:35:02.243Z",
  "record_id": "VXI-EXT-PROCUREMENT-X402-SOLANA-ONE-MATCHING-TRANSFER-01-v1",
  "record_kind": "external_reference",
  "title": "x402 Solana transfer identity and amount",
  "system": "x402 Foundation",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does x402 Solana exact require the matching transfer amount to equal the quoted amount exactly?",
  "near_questions": [
    "May a Solana x402 exact transfer exceed the requirement?",
    "Can two x402 Solana transfers be combined as one match?",
    "Does an x402 scheme name prove the precise debit?",
    "Which transfer must match a Solana x402 payment?"
  ],
  "supported_claims": [
    {
      "claim": "The pinned Solana exact binding permits a matching transfer greater than or equal to the required amount, including rounding-related overpayment. It nevertheless requires exactly one matching transfer across top-level and inner instructions, with the correct mint, destination and token program. Zero or multiple matching transfers must be rejected.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Independent verification of payment, delivery or deployed controls",
    "The wallet transaction and any actual overpayment are not observed.",
    "Buyer deployment testing, live runtime enforcement, certification or permission to act",
    "Expanded capabilities or licences for existing INDEX executables"
  ],
  "public_summary": "The pinned Solana exact binding permits a matching transfer greater than or equal to the required amount, including rounding-related overpayment. It nevertheless requires exactly one matching transfer across top-level and inner instructions, with the correct mint, destination and token program. Zero or multiple matching transfers must be rejected.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Exact Payment Scheme for Solana Virtual Machine (SVM) (`exact`)",
    "source_url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/schemes/exact/scheme_exact_svm.md",
    "checked_on": "2026-10-24",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-X402-SOLANA-ONE-MATCHING-TRANSFER-01-v1",
    "candidate_record_sha256": "f5fde9340b4c656f89818ab4f968b8791ecbe150fa9f556f18ffede6314cbbcb",
    "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 Solana exact binding permits a matching transfer greater than or equal to the required amount, including rounding-related overpayment. It nevertheless requires exactly one matching transfer across top-level and inner instructions, with the correct mint, destination and token program. Zero or multiple matching transfers must be rejected.",
    "required_buyer_context": "Pinned Solana binding revision; Required mint, recipient and amount; Full executed transfer instruction evidence. 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 x402 Solana exact require the matching transfer amount to equal the quoted amount exactly?",
    "documented_statement": {
      "status": "documented",
      "statement": "The pinned Solana exact binding permits a matching transfer greater than or equal to the required amount, including rounding-related overpayment. It nevertheless requires exactly one matching transfer across top-level and inner instructions, with the correct mint, destination and token program. Zero or multiple matching transfers must be rejected.",
      "source_ids": [
        "x402-svm"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Avoid inferring exact financial equality from a scheme name or aggregating ambiguous transfers. This is a review decision, not an observed buyer result.",
      "source_ids": [
        "x402-svm"
      ]
    },
    "buyer_evidence_required": [
      "Pinned Solana binding revision",
      "Required mint, recipient and amount",
      "Full executed transfer instruction evidence"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Do not assume the name exact establishes amount equality or permits summing multiple matches."
    },
    "unknowns": "The wallet transaction and any actual overpayment are not observed.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "The wallet transaction and any actual overpayment are not observed."
    },
    "evidence_sources": [
      {
        "source_id": "x402-svm",
        "url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/schemes/exact/scheme_exact_svm.md",
        "final_url": "https://raw.githubusercontent.com/x402-foundation/x402/4241d56cae2fb7ed06cd18e3a9ff2a3457b1ce54/specs/schemes/exact/scheme_exact_svm.md",
        "status": 200,
        "captured_at_utc": "2026-10-24T21:23:34.435Z",
        "sha256": "d12110e7b880ce1e137ea2c41cc4daca5fc86aa8f724b0c816c310bb31b5941e",
        "bytes": 23100,
        "title": "Exact Payment Scheme for Solana Virtual Machine (SVM) (`exact`)",
        "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": [
          "1.1 Required Payment Outcome",
          "1.2 Payment Identification",
          "1.4 Exactly One Matching Transfer",
          "2. Sponsor Acceptance Policy",
          "2.2 Cost and Griefing Controls",
          "2.3 Policy Flexibility",
          "2.1.1 Fee Payer Isolation",
          "2.1.2 Address Lookup Table Visibility",
          "3.4 Post-Settlement Verification",
          "Duplicate Settlement Mitigation"
        ],
        "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": "Avoid inferring exact financial equality from a scheme name or aggregating ambiguous transfers.",
      "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": "Avoid inferring exact financial equality from a scheme name or aggregating ambiguous transfers.",
    "refusal_conditions": [
      "Do not assume the name exact establishes amount equality or permits summing multiple matches."
    ]
  },
  "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": "Avoid inferring exact financial equality from a scheme name or aggregating ambiguous transfers.",
    "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-solana-one-matching-transfer",
  "machine_readable_record": "/varexis-index/records/x402-solana-one-matching-transfer.json"
}