{
  "schema": "varexis-index-free-publication-preview/1",
  "catalogue_version": "pub-6-tranche-56-v1",
  "route_id": "agentic_reviewed_sparkplug_bdseq_death_session_correlation",
  "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-BDSEQ-DEATH-SESSION-CORRELATION-01-v1",
  "question": "Can a delayed Sparkplug NDEATH be applied to a newer birth session without checking bdSeq?",
  "answer": "Sparkplug 3.0.0 uses bdSeq to correlate NBIRTH with the corresponding NDEATH. A delayed Will can arrive after a later birth, so consumers must assess the matching session instead of treating arrival order alone as current state. A rebirth request within the same MQTT session retains bdSeq; a new birth message does not by itself prove a new connection.",
  "records": [
    {
      "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-BDSEQ-DEATH-SESSION-CORRELATION-01-v1",
      "url": "/varexis-index/records/sparkplug-bdseq-death-session-correlation.json",
      "content_sha256": "499b8224c4844cc04f32cefdaac991f8eb9340d40b9bfded0271e3c38336c396",
      "evidence": {
        "schema": "varexis-public-evidence-record/0.3",
        "generated_at_utc": "2026-10-24T23:47:34.928Z",
        "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-BDSEQ-DEATH-SESSION-CORRELATION-01-v1",
        "record_kind": "external_reference",
        "title": "Sparkplug death messages and session correlation",
        "system": "Eclipse Sparkplug 3.0.0",
        "evidence_family": "vendor_evidence_review",
        "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
        "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
        "canonical_question": "Can a delayed Sparkplug NDEATH be applied to a newer birth session without checking bdSeq?",
        "near_questions": [
          "How does Sparkplug bdSeq distinguish an old death message?",
          "Does a Sparkplug rebirth create a new MQTT session?",
          "Can Sparkplug NDEATH arrive after a newer NBIRTH?",
          "What must be checked before applying a delayed Sparkplug Will?"
        ],
        "supported_claims": [
          {
            "claim": "Sparkplug 3.0.0 uses bdSeq to correlate NBIRTH with the corresponding NDEATH. A delayed Will can arrive after a later birth, so consumers must assess the matching session instead of treating arrival order alone as current state. A rebirth request within the same MQTT session retains bdSeq; a new birth message does not by itself prove a new connection.",
            "reliance": "DOCUMENTED_CAPABILITY_ONLY"
          }
        ],
        "not_demonstrated_claims": [
          "Actual connection history and delivery order were not inspected.",
          "No independently verified physical outcome, calibration, industrial safety, deletion or complete capture.",
          "Buyer deployment testing, live runtime enforcement, certification or permission to act",
          "Expanded capabilities or licences for existing INDEX executables"
        ],
        "public_summary": "Sparkplug 3.0.0 uses bdSeq to correlate NBIRTH with the corresponding NDEATH. A delayed Will can arrive after a later birth, so consumers must assess the matching session instead of treating arrival order alone as current state. A rebirth request within the same MQTT session retains bdSeq; a new birth message does not by itself prove a new connection.",
        "related_record_ids": [],
        "source_review": {
          "source_type": "official_external_documentation",
          "source_title": "Sparkplug 3.0.0 release — Sparkplug_5_Operational_Behavior",
          "source_url": "https://raw.githubusercontent.com/eclipse-sparkplug/sparkplug/8b76877131203e88eaa9f5415e6a55f1a8470d74/specification/src/main/asciidoc/chapters/Sparkplug_5_Operational_Behavior.adoc",
          "checked_on": "2026-10-24",
          "candidate_record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-BDSEQ-DEATH-SESSION-CORRELATION-01-v1",
          "candidate_record_sha256": "b2867dee12ee3613decd9c3551bafd64b06c146b6a2ca9069367add932a2c66a",
          "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": "Sparkplug 3.0.0 uses bdSeq to correlate NBIRTH with the corresponding NDEATH. A delayed Will can arrive after a later birth, so consumers must assess the matching session instead of treating arrival order alone as current state. A rebirth request within the same MQTT session retains bdSeq; a new birth message does not by itself prove a new connection.",
          "required_buyer_context": "NBIRTH bdSeq history; NDEATH bdSeq and arrival order; Connection and rebirth context. 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 delayed Sparkplug NDEATH be applied to a newer birth session without checking bdSeq?",
          "documented_statement": {
            "status": "documented",
            "statement": "Sparkplug 3.0.0 uses bdSeq to correlate NBIRTH with the corresponding NDEATH. A delayed Will can arrive after a later birth, so consumers must assess the matching session instead of treating arrival order alone as current state. A rebirth request within the same MQTT session retains bdSeq; a new birth message does not by itself prove a new connection.",
            "source_ids": [
              "sparkplug-5"
            ]
          },
          "review_inference": {
            "status": "review_inference",
            "statement": "Avoid marking a current node offline because of a previous session message. This is a review judgment, not a measured deployment result.",
            "source_ids": [
              "sparkplug-5"
            ]
          },
          "buyer_evidence_required": [
            "NBIRTH bdSeq history",
            "NDEATH bdSeq and arrival order",
            "Connection and rebirth context"
          ],
          "review_condition": {
            "status": "varexis_review_policy",
            "statement": "Refuse current-session death attribution without matching session evidence."
          },
          "unknowns": "Actual connection history and delivery order were not inspected.",
          "unknown_finding": {
            "status": "unknown",
            "statement": "Actual connection history and delivery order were not inspected."
          },
          "evidence_sources": [
            {
              "source_id": "sparkplug-5",
              "url": "https://raw.githubusercontent.com/eclipse-sparkplug/sparkplug/8b76877131203e88eaa9f5415e6a55f1a8470d74/specification/src/main/asciidoc/chapters/Sparkplug_5_Operational_Behavior.adoc",
              "final_url": "https://raw.githubusercontent.com/eclipse-sparkplug/sparkplug/8b76877131203e88eaa9f5415e6a55f1a8470d74/specification/src/main/asciidoc/chapters/Sparkplug_5_Operational_Behavior.adoc",
              "status": 200,
              "captured_at_utc": "2026-10-24T23:24:16.561Z",
              "sha256": "7c7772189ec538e9b01b9020fa47a465333d98b905a6910e53800eb920c3d58a",
              "bytes": 78634,
              "title": "Sparkplug 3.0.0 release — Sparkplug_5_Operational_Behavior",
              "hash_basis": "SHA-256 of unmodified HTTP response body bytes",
              "rights_review": "Original bounded paraphrase; source bodies are captured privately and not redistributed. Eclipse repository EPL-2.0 licence reviewed.",
              "checked_on": "2026-10-24",
              "capture_status": 200,
              "claim_review_completed": true,
              "reviewed_sections": [
                "NDEATH processing; Node Control/Rebirth",
                "NDEATH timestamp processing; Sparkplug-aware broker timestamp replacement",
                "Intentional disconnect and NDEATH processing",
                "NDEATH host processing",
                "Message reordering; Node Control/Rebirth",
                "Birth and DATA metric publication",
                "DATA multiple metric changes and chronological ordering"
              ],
              "version_context": "Sparkplug 3.0.0 release; pinned repository revision 8b76877131203e88eaa9f5415e6a55f1a8470d74. Documentation is not 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": "Avoid marking a current node offline because of a previous session message.",
            "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 specification version, errata availability, deployed profile, clock policy and retained operation results before relying on a current outcome."
          },
          "buyer_relevance": "Avoid marking a current node offline because of a previous session message.",
          "refusal_conditions": [
            "Refuse current-session death attribution without matching session evidence."
          ]
        },
        "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 marking a current node offline because of a previous session message.",
          "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#sparkplug-bdseq-death-session-correlation",
        "machine_readable_record": "/varexis-index/records/sparkplug-bdseq-death-session-correlation.json"
      }
    }
  ],
  "access": {
    "mode": "exact_http_only",
    "payment_required": false,
    "purchase_url": null,
    "mcp_preview_available": false,
    "paid_saved_retrieval_available": false,
    "natural_language_search_qualified": false
  },
  "boundary": "Catalogue additions are available free through the exact HTTP JSON links below. Enhanced natural-language discovery is not yet qualified for these records. They are outside MCP search, MCP preview and paid saved retrieval. No search qualification, executable capability or entitlement is added.",
  "content_sha256": "bc34029dc8e1ecc7a256b1e9029977af5f939c7428cad28293969ed0b3206b17"
}
