{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-25T00:44:04.075Z",
  "record_id": "VXI-EXT-ADMINISTRATION-FHIR-SUBSCRIPTION-EVENT-NUMBER-CHANNEL-01-v1",
  "record_kind": "external_reference",
  "title": "FHIR R5 event numbering depends on the channel",
  "system": "HL7 FHIR R5 5.0.0 — subscriptionstatus",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Is a FHIR subscription event number always a global monotonically increasing sequence?",
  "near_questions": [
    "Is a FHIR subscription event number globally unique?",
    "Can event numbering restart within a notification?",
    "How does channel delivery affect event-number meaning?",
    "What context is required before diagnosing notification gaps?"
  ],
  "supported_claims": [
    {
      "claim": "R5 subscription event numbering depends on channel guarantees. For channels without guaranteed delivery, it is unique and increasing within the subscription; guaranteed-delivery channels may use a relative index within the notification. Interpret gaps or repeats with the channel and subscription context, not as globally unique event numbers.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "No clinical advice, patient-safety validation, legal compliance or confirmation of insurance cover.",
    "No independent proof of a live access decision, completed workflow, physical action or settled payment.",
    "The published R5 definition does not establish support or conformance in a buyer implementation.",
    "Buyer deployment testing, live runtime enforcement, certification or permission to act",
    "Expanded capabilities or licences for existing INDEX executables"
  ],
  "public_summary": "R5 subscription event numbering depends on channel guarantees. For channels without guaranteed delivery, it is unique and increasing within the subscription; guaranteed-delivery channels may use a relative index within the notification. Interpret gaps or repeats with the channel and subscription context, not as globally unique event numbers.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "HL7 FHIR R5 5.0.0 — subscriptionstatus definitions",
    "source_url": "https://hl7.org/fhir/R5/subscriptionstatus-definitions.html",
    "checked_on": "2026-10-25",
    "candidate_record_id": "VXI-EXT-ADMINISTRATION-FHIR-SUBSCRIPTION-EVENT-NUMBER-CHANNEL-01-v1",
    "candidate_record_sha256": "f62897f41d10d36e33563766393cc358c7874c3c2d9a8c92f47836cf28b9db69",
    "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": "R5 subscription event numbering depends on channel guarantees. For channels without guaranteed delivery, it is unique and increasing within the subscription; guaranteed-delivery channels may use a relative index within the notification. Interpret gaps or repeats with the channel and subscription context, not as globally unique event numbers.",
    "required_buyer_context": "Subscription identity; Channel delivery contract; Notification event numbers. 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": "Is a FHIR subscription event number always a global monotonically increasing sequence?",
    "documented_statement": {
      "status": "documented",
      "statement": "R5 subscription event numbering depends on channel guarantees. For channels without guaranteed delivery, it is unique and increasing within the subscription; guaranteed-delivery channels may use a relative index within the notification. Interpret gaps or repeats with the channel and subscription context, not as globally unique event numbers.",
      "source_ids": [
        "fhir-subscriptionstatus-definitions"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Avoid false missing-event findings from the wrong sequence scope. This is a documentation-review judgment, not an observed outcome.",
      "source_ids": [
        "fhir-subscriptionstatus-definitions"
      ]
    },
    "buyer_evidence_required": [
      "Subscription identity",
      "Channel delivery contract",
      "Notification event numbers"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Refuse global sequencing or gap conclusions without the channel context."
    },
    "unknowns": "The applicable implementation guide, live system and actual administrative outcome were not inspected.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "The applicable implementation guide, live system and actual administrative outcome were not inspected."
    },
    "evidence_sources": [
      {
        "source_id": "fhir-subscriptionstatus-definitions",
        "url": "https://hl7.org/fhir/R5/subscriptionstatus-definitions.html",
        "final_url": "https://hl7.org/fhir/R5/subscriptionstatus-definitions.html",
        "status": 200,
        "captured_at_utc": "2026-10-25T00:21:10.997Z",
        "sha256": "7c5de60e3729fc497371afbdd948d9d2bcbf9c6a553f29632a6bd5598308f402",
        "bytes": 25246,
        "title": "HL7 FHIR R5 5.0.0 — subscriptionstatus definitions",
        "hash_basis": "SHA-256 of unmodified HTTP response body bytes",
        "rights_review": "Original factual paraphrase of the HL7 FHIR core specification under CC0. Third-party terminology and trademarks have separate terms; no document, schema, code or modified standard is redistributed. No endorsement or patient data.",
        "checked_on": "2026-10-25",
        "capture_status": 200,
        "claim_review_completed": true,
        "reviewed_sections": [
          "SubscriptionStatus.eventsSinceSubscriptionStart",
          "SubscriptionStatus.notificationEvent.eventNumber"
        ],
        "version_context": "Permanent FHIR R5 5.0.0 publication. Resource-specific maturity and normative/Trial Use status apply; no universal normative or implementation-conformance claim."
      }
    ],
    "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 false missing-event findings from the wrong sequence scope.",
      "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 applicable FHIR version, implementation guide, resource profile and independent administrative outcome before relying on a current workflow."
    },
    "buyer_relevance": "Avoid false missing-event findings from the wrong sequence scope.",
    "refusal_conditions": [
      "Refuse global sequencing or gap conclusions without the channel context."
    ]
  },
  "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": "Avoid false missing-event findings from the wrong sequence scope.",
    "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#fhir-subscription-event-number-channel",
  "machine_readable_record": "/varexis-index/records/fhir-subscription-event-number-channel.json"
}