{ "schema": "varexis-index-free-publication-preview/1", "catalogue_version": "pub-6-tranche-56-v1", "route_id": "agentic_reviewed_sparkplug_alias_birth_binding", "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-ALIAS-BIRTH-BINDING-01-v1", "question": "Can a Sparkplug metric alias be interpreted without the associated birth-message mapping?", "answer": "Sparkplug 3.0.0 permits aliases but requires each alias to be unique across the Edge Node metrics. Birth messages carry the metric name and alias together; subsequent data and command messages using aliases omit the name. A numeric alias therefore needs the applicable birth mapping, including the node context, before a consumer can identify the intended metric.", "records": [ { "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-ALIAS-BIRTH-BINDING-01-v1", "url": "/varexis-index/records/sparkplug-alias-birth-binding.json", "content_sha256": "4ecf0536a9f127f853554d4f64954d784cc42c701326faa7f0a36bb85fe08e75", "evidence": { "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-24T23:47:34.928Z", "record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-ALIAS-BIRTH-BINDING-01-v1", "record_kind": "external_reference", "title": "Sparkplug aliases and birth-message context", "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 Sparkplug metric alias be interpreted without the associated birth-message mapping?", "near_questions": [ "Can two Sparkplug nodes reuse a numeric metric alias?", "Where is a Sparkplug alias mapped to its metric name?", "How should an agent interpret an alias-only Sparkplug command?", "What evidence resolves a Sparkplug metric name after reconnect?" ], "supported_claims": [ { "claim": "Sparkplug 3.0.0 permits aliases but requires each alias to be unique across the Edge Node metrics. Birth messages carry the metric name and alias together; subsequent data and command messages using aliases omit the name. A numeric alias therefore needs the applicable birth mapping, including the node context, before a consumer can identify the intended metric.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "The deployed alias assignments and session continuity 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 permits aliases but requires each alias to be unique across the Edge Node metrics. Birth messages carry the metric name and alias together; subsequent data and command messages using aliases omit the name. A numeric alias therefore needs the applicable birth mapping, including the node context, before a consumer can identify the intended metric.", "related_record_ids": [], "source_review": { "source_type": "official_external_documentation", "source_title": "Sparkplug 3.0.0 release — Sparkplug_6_Payloads", "source_url": "https://raw.githubusercontent.com/eclipse-sparkplug/sparkplug/8b76877131203e88eaa9f5415e6a55f1a8470d74/specification/src/main/asciidoc/chapters/Sparkplug_6_Payloads.adoc", "checked_on": "2026-10-24", "candidate_record_id": "VXI-EXT-PROCUREMENT-SPARKPLUG-ALIAS-BIRTH-BINDING-01-v1", "candidate_record_sha256": "ee569b1a928472895cf92916bc5cd4019aee982a5217ae8b967c7e8867f0fa8f", "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 permits aliases but requires each alias to be unique across the Edge Node metrics. Birth messages carry the metric name and alias together; subsequent data and command messages using aliases omit the name. A numeric alias therefore needs the applicable birth mapping, including the node context, before a consumer can identify the intended metric.", "required_buyer_context": "Applicable NBIRTH and DBIRTH mappings; Edge Node and device identifiers; Alias values in the received messages. 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 Sparkplug metric alias be interpreted without the associated birth-message mapping?", "documented_statement": { "status": "documented", "statement": "Sparkplug 3.0.0 permits aliases but requires each alias to be unique across the Edge Node metrics. Birth messages carry the metric name and alias together; subsequent data and command messages using aliases omit the name. A numeric alias therefore needs the applicable birth mapping, including the node context, before a consumer can identify the intended metric.", "source_ids": [ "sparkplug-6" ] }, "review_inference": { "status": "review_inference", "statement": "Prevent an alias from being attributed to the wrong measurement or command. This is a review judgment, not a measured deployment result.", "source_ids": [ "sparkplug-6" ] }, "buyer_evidence_required": [ "Applicable NBIRTH and DBIRTH mappings", "Edge Node and device identifiers", "Alias values in the received messages" ], "review_condition": { "status": "varexis_review_policy", "statement": "Refuse metric attribution when the applicable alias mapping is unavailable." }, "unknowns": "The deployed alias assignments and session continuity were not inspected.", "unknown_finding": { "status": "unknown", "statement": "The deployed alias assignments and session continuity were not inspected." }, "evidence_sources": [ { "source_id": "sparkplug-6", "url": "https://raw.githubusercontent.com/eclipse-sparkplug/sparkplug/8b76877131203e88eaa9f5415e6a55f1a8470d74/specification/src/main/asciidoc/chapters/Sparkplug_6_Payloads.adoc", "final_url": "https://raw.githubusercontent.com/eclipse-sparkplug/sparkplug/8b76877131203e88eaa9f5415e6a55f1a8470d74/specification/src/main/asciidoc/chapters/Sparkplug_6_Payloads.adoc", "status": 200, "captured_at_utc": "2026-10-24T23:24:16.778Z", "sha256": "336a208f4990f91ada3109317a87a0272846ff3cb6a9a592cdb04e75f49021ae", "bytes": 78774, "title": "Sparkplug 3.0.0 release — Sparkplug_6_Payloads", "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": [ "Payload timestamp; metric timestamp", "Metric alias", "Metric datatype", "Payload seq", "Metric is_historical", "Metric is_null", "Metric properties: Quality", "Metric is_transient" ], "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": "Prevent an alias from being attributed to the wrong measurement or command.", "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": "Prevent an alias from being attributed to the wrong measurement or command.", "refusal_conditions": [ "Refuse metric attribution when the applicable alias mapping is unavailable." ] }, "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": "Prevent an alias from being attributed to the wrong measurement or command.", "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-alias-birth-binding", "machine_readable_record": "/varexis-index/records/sparkplug-alias-birth-binding.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": "f28a595d148c94903a28600b9225cc87aa3ca2600c3e7c4ec00d9aa093e21930" }