{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-25T20:55:19.974986+00:00",
  "record_id": "VXI-EXT-PROCUREMENT-HTTP-DIGEST-STATE-CHANGE-REPRESENTATION-01-v1",
  "record_kind": "external_reference",
  "title": "HTTP state-changing representation digest",
  "system": "IETF RFC 9530",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does the representation digest on a state-changing request prove the final state of its target resource?",
  "near_questions": [
    "Does a PATCH request digest identify the resulting resource state?",
    "Can Repr-Digest cover a status report rather than the target object?",
    "Does Location determine representation digest scope?",
    "What distinguishes a patch-document digest from changed-resource evidence?"
  ],
  "supported_claims": [
    {
      "claim": "RFC 9530 ties Repr-Digest to representation data and metadata, not automatically to the target resource's final state. In a PATCH request it covers the patch document. A response can describe request status or a referenced resource; Content-Location can affect that interpretation, while Location alone does not. Establish the represented object before treating a digest as post-change evidence.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "A PATCH request digest covers the patch document, not the resulting target state; response representation metadata determines its digest scope.",
    "Buyer implementation, live runtime enforcement, settled payment, physical outcome, certification or permission to act are not established.",
    "No expanded capabilities or licences for existing INDEX executables."
  ],
  "public_summary": "RFC 9530 ties Repr-Digest to representation data and metadata, not automatically to the target resource's final state. In a PATCH request it covers the patch document. A response can describe request status or a referenced resource; Content-Location can affect that interpretation, while Location alone does not. Establish the represented object before treating a digest as post-change evidence.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "IETF RFC 9530",
    "source_url": "https://www.rfc-editor.org/rfc/rfc9530.txt",
    "checked_on": "2026-10-25",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-HTTP-DIGEST-STATE-CHANGE-REPRESENTATION-01-v1",
    "candidate_record_sha256": "cf42eb787b85c35189f4435415284c1e989fe98cd4a14c5cecce4e4115008a98",
    "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": "RFC 9530 ties Repr-Digest to representation data and metadata, not automatically to the target resource's final state. In a PATCH request it covers the patch document. A response can describe request status or a referenced resource; Content-Location can affect that interpretation, while Location alone does not. Establish the represented object before treating a digest as post-change evidence.",
    "required_buyer_context": "Method and representation metadata; Request or response represented object; Content-Location and independently observed final state. 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": "2026-10-25",
    "claim_to_check": "Does the representation digest on a state-changing request prove the final state of its target resource?",
    "documented_statement": {
      "status": "documented",
      "statement": "RFC 9530 ties Repr-Digest to representation data and metadata, not automatically to the target resource's final state. In a PATCH request it covers the patch document. A response can describe request status or a referenced resource; Content-Location can affect that interpretation, while Location alone does not. Establish the represented object before treating a digest as post-change evidence.",
      "source_ids": [
        "rfc9530"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Identify the representation covered by a digest on a state-changing request or its status response. This is a documentation-review judgment, not an observed deployment outcome.",
      "source_ids": [
        "rfc9530"
      ]
    },
    "buyer_evidence_required": [
      "Method and representation metadata",
      "Request or response represented object",
      "Content-Location and independently observed final state"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Refuse buyer-specific assurance from documentation alone. A PATCH request digest covers the patch document, not the resulting target state; response representation metadata determines its digest scope."
    },
    "unknowns": "The buyer implementation, effective configuration, complete evidence inventory and actual business outcome were not inspected.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "The buyer implementation, effective configuration, complete evidence inventory and actual business outcome were not inspected."
    },
    "evidence_sources": [
      {
        "source_id": "rfc9530",
        "url": "https://www.rfc-editor.org/rfc/rfc9530.txt",
        "final_url": "https://www.rfc-editor.org/rfc/rfc9530.txt",
        "status": 200,
        "captured_at_utc": "2026-10-25T20:26:12.731Z",
        "sha256": "544dbb7d9afceafa8c9931d9924ca6cff2b4807274166d7ed2483342ef2cdd6a",
        "bytes": 67152,
        "title": "IETF RFC 9530",
        "hash_basis": "SHA-256 of unmodified HTTP response body bytes",
        "rights_review": "Original factual paraphrase of the cited IETF RFC; IETF Trust and contributor rights remain applicable. No RFC text, code component or modified standard is redistributed.",
        "checked_on": "2026-10-25",
        "capture_status": 200,
        "claim_review_completed": true,
        "reviewed_sections": [
          "2",
          "3",
          "3.1",
          "4"
        ],
        "version_context": "Fixed IETF RFC 9530 publication; later applicable updates and actual implementation conformance require separate review."
      }
    ],
    "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": "Identify the representation covered by a digest on a state-changing request or its status response.",
      "free": "Complete review, practical questions, sources 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 3.1 in IETF RFC 9530 when the source, applicable version, configuration or intended reliance changes. A detected change creates a review candidate, not automatic approval."
    },
    "buyer_relevance": "Identify the representation covered by a digest on a state-changing request or its status response.",
    "refusal_conditions": [
      "Refuse buyer-specific assurance from documentation alone. A PATCH request digest covers the patch document, not the resulting target state; response representation metadata determines its digest scope."
    ]
  },
  "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": "Identify the representation covered by a digest on a state-changing request or its status response.",
    "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#http-digest-state-change-representation",
  "machine_readable_record": "/varexis-index/records/http-digest-state-change-representation.json"
}
