{ "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-24T23:47:34.928Z", "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-NODE-DEATH-DEVICE-STATE-01-v1", "record_kind": "external_reference", "title": "Sparkplug node death and child-device state", "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": "Does Sparkplug marking every child device offline mean those physical devices have stopped?", "near_questions": [ "Does Sparkplug node death shut down its devices?", "Why are all child metrics stale after Sparkplug NDEATH?", "Can a device keep running when its Sparkplug node is offline?", "What evidence separates telemetry loss from equipment shutdown?" ], "supported_claims": [ { "claim": "Sparkplug 3.0.0 directs the host to mark the Edge Node and its associated devices offline after the applicable NDEATH and to mark their birth metrics STALE. This describes the host view of unavailable data through that node. It is not physical shutdown evidence for each device, which may continue operating while its reporting path is unavailable.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "Physical equipment behaviour was 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 directs the host to mark the Edge Node and its associated devices offline after the applicable NDEATH and to mark their birth metrics STALE. This describes the host view of unavailable data through that node. It is not physical shutdown evidence for each device, which may continue operating while its reporting path is unavailable.", "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-NODE-DEATH-DEVICE-STATE-01-v1", "candidate_record_sha256": "dccb7f0a1a656b157dbc40f4e6d494d743acb264378ea930bf999f5f80cfe5c5", "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 directs the host to mark the Edge Node and its associated devices offline after the applicable NDEATH and to mark their birth metrics STALE. This describes the host view of unavailable data through that node. It is not physical shutdown evidence for each device, which may continue operating while its reporting path is unavailable.", "required_buyer_context": "Applicable NDEATH and birth device inventory; Host offline and stale state transitions; Independent physical-state 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 Sparkplug marking every child device offline mean those physical devices have stopped?", "documented_statement": { "status": "documented", "statement": "Sparkplug 3.0.0 directs the host to mark the Edge Node and its associated devices offline after the applicable NDEATH and to mark their birth metrics STALE. This describes the host view of unavailable data through that node. It is not physical shutdown evidence for each device, which may continue operating while its reporting path is unavailable.", "source_ids": [ "sparkplug-5" ] }, "review_inference": { "status": "review_inference", "statement": "Separate loss of telemetry from physical equipment state. This is a review judgment, not a measured deployment result.", "source_ids": [ "sparkplug-5" ] }, "buyer_evidence_required": [ "Applicable NDEATH and birth device inventory", "Host offline and stale state transitions", "Independent physical-state evidence" ], "review_condition": { "status": "varexis_review_policy", "statement": "Refuse equipment-stopped assertions from the Sparkplug offline state alone." }, "unknowns": "Physical equipment behaviour was not inspected.", "unknown_finding": { "status": "unknown", "statement": "Physical equipment behaviour was 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": "Separate loss of telemetry from physical equipment state.", "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": "Separate loss of telemetry from physical equipment state.", "refusal_conditions": [ "Refuse equipment-stopped assertions from the Sparkplug offline state alone." ] }, "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": "Separate loss of telemetry from physical equipment state.", "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-node-death-device-state", "machine_readable_record": "/varexis-index/records/sparkplug-node-death-device-state.json" }