{
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  "generated_at_utc": "2026-10-24T23:11:13.073Z",
  "record_id": "VXI-EXT-PROCUREMENT-INTOTO-SUBLAYOUT-CACHED-INSPECTION-01-v1",
  "record_kind": "external_reference",
  "title": "in-toto signed inspection reuse",
  "system": "in-toto specification v1.0.0",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Can a signed in-toto sublayout inspection result be reused without rerunning its inspection command?",
  "near_questions": [
    "Does in-toto always rerun sublayout inspections?",
    "Which key must sign a cached in-toto inspection link?",
    "Can signed inspection metadata replace local in-toto inspection execution?",
    "What evidence distinguishes a fresh sublayout inspection from reused results?"
  ],
  "supported_claims": [
    {
      "claim": "The in-toto 1.0.0 specification permits a sublayout inspection to be verified using presented link metadata signed with the same key that signed the sublayout. If that link is absent, the client must run the inspection while validating the sublayout. Acceptance can therefore rely on a previously signed result; it does not establish a fresh inspection of the current environment.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Inspection freshness and current environment equivalence were not observed.",
    "No verified business outcome, complete event capture, certification or authority to act.",
    "Buyer deployment testing, live runtime enforcement, certification or permission to act",
    "Expanded capabilities or licences for existing INDEX executables"
  ],
  "public_summary": "The in-toto 1.0.0 specification permits a sublayout inspection to be verified using presented link metadata signed with the same key that signed the sublayout. If that link is absent, the client must run the inspection while validating the sublayout. Acceptance can therefore rely on a previously signed result; it does not establish a fresh inspection of the current environment.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "in-toto specification v1.0.0 — in-toto-spec",
    "source_url": "https://raw.githubusercontent.com/in-toto/specification/6459afd8e94a332e423ba05c2862b534acbe741d/in-toto-spec.md",
    "checked_on": "2026-10-24",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-INTOTO-SUBLAYOUT-CACHED-INSPECTION-01-v1",
    "candidate_record_sha256": "7cec589ffc227197d47ed7d0e98a5e2cd682767ce2c0304a47c4343f7e2caa87",
    "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 in-toto 1.0.0 specification permits a sublayout inspection to be verified using presented link metadata signed with the same key that signed the sublayout. If that link is absent, the client must run the inspection while validating the sublayout. Acceptance can therefore rely on a previously signed result; it does not establish a fresh inspection of the current environment.",
    "required_buyer_context": "Sublayout and authorised signing key; Inspection link and signature verification result; Inspection execution time and current-environment requirements. 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": "Can a signed in-toto sublayout inspection result be reused without rerunning its inspection command?",
    "documented_statement": {
      "status": "documented",
      "statement": "The in-toto 1.0.0 specification permits a sublayout inspection to be verified using presented link metadata signed with the same key that signed the sublayout. If that link is absent, the client must run the inspection while validating the sublayout. Acceptance can therefore rely on a previously signed result; it does not establish a fresh inspection of the current environment.",
      "source_ids": [
        "intoto-spec"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Distinguish signed inspection reuse from a newly performed check. This is a review judgment, not an observed deployment outcome.",
      "source_ids": [
        "intoto-spec"
      ]
    },
    "buyer_evidence_required": [
      "Sublayout and authorised signing key",
      "Inspection link and signature verification result",
      "Inspection execution time and current-environment requirements"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Refuse a fresh-inspection claim from acceptance of a previously signed link."
    },
    "unknowns": "Inspection freshness and current environment equivalence were not observed.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "Inspection freshness and current environment equivalence were not observed."
    },
    "evidence_sources": [
      {
        "source_id": "intoto-spec",
        "url": "https://raw.githubusercontent.com/in-toto/specification/6459afd8e94a332e423ba05c2862b534acbe741d/in-toto-spec.md",
        "final_url": "https://raw.githubusercontent.com/in-toto/specification/6459afd8e94a332e423ba05c2862b534acbe741d/in-toto-spec.md",
        "status": 200,
        "captured_at_utc": "2026-10-24T22:53:31.042Z",
        "sha256": "dc5cdd7086397efd402262ee966035d9ff0854f777dfa3b925e635c179898340",
        "bytes": 93385,
        "title": "in-toto specification v1.0.0 — in-toto-spec",
        "hash_basis": "Decoded HTTP response body bytes",
        "rights_review": "Original bounded paraphrase; source bodies are captured privately and not redistributed. Repository MIT licence reviewed.",
        "checked_on": "2026-10-24",
        "capture_status": 200,
        "claim_review_completed": true,
        "reviewed_sections": [
          "4.3.1 Steps: expected_command",
          "4.4 Byproducts; 4.3.2.1 Inspection interface",
          "4.3.2 Inspections; 5.2 verification workflow",
          "4.3.3.1 Rule processing",
          "4.3.3.1 Sequential rule processing; 4.3.3.3 DISALLOW",
          "4.3.3.2 MATCH; 4.3.3.3 error-producing rules",
          "4.3.3 Artifact rules: MODIFY",
          "4.3 EXPIRES; 5.2 expiry verification",
          "3.1.2 Link metadata reuse",
          "4.5.1 Artifact rules in sublayouts; 4.5.3 inspections",
          "4.5.3 Inspections on sublayouts",
          "4.5.2 Namespacing link metadata"
        ],
        "version_context": "in-toto specification 1.0.0 (2023-06-02), pinned revision; pinned in-toto/specification revision 6459afd8e94a332e423ba05c2862b534acbe741d. Source documentation is not independent evidence of buyer deployment behaviour."
      }
    ],
    "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": "Distinguish signed inspection reuse from a newly performed check.",
      "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 source, deployed version, selection policy and retained operation results before relying on a current outcome."
    },
    "buyer_relevance": "Distinguish signed inspection reuse from a newly performed check.",
    "refusal_conditions": [
      "Refuse a fresh-inspection claim from acceptance of a previously signed link."
    ]
  },
  "niche": {
    "niche_id": "agent-authority-action-evidence",
    "label": "Agent Authority & Action Evidence",
    "classification_id": "audit",
    "classification_label": "Audit, Provenance & Evidence Accountability",
    "topic_id": "audit",
    "buyer_intent": "Distinguish signed inspection reuse from a newly performed check.",
    "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#intoto-sublayout-cached-inspection",
  "machine_readable_record": "/varexis-index/records/intoto-sublayout-cached-inspection.json"
}