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  "record_id": "VXI-EXT-PROCUREMENT-SERVICEBUS-DEDUP-01-v1",
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  "title": "Service Bus: Accepted sends and duplicate suppression",
  "system": "Azure Service Bus",
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  "canonical_question": "Does a successful Service Bus send prove a new message was enqueued?",
  "near_questions": [
    "Can Service Bus accept and drop a duplicate send?",
    "Which tiers support duplicate detection?",
    "Is the feature enabled on this entity?",
    "How long is the configured history window?",
    "Does message body content determine duplication?",
    "How do partition settings affect identity?",
    "Are scheduled messages included?",
    "Can changing IDs defeat deduplication?",
    "Does deduplication affect throughput?",
    "What proves the consumer completed the action?",
    "Which evidence prevents double-counted orders?",
    "Can I retain the reviewed send-acknowledgement boundary?"
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      "claim": "With duplicate detection enabled, a repeated message identity within the configured window can receive a successful send response while the duplicate is discarded. The feature is tier-dependent and identity construction matters. It does not prove that a downstream consumer completed a unique business action.",
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    "source_title": "Azure Service Bus duplicate detection",
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    "required_buyer_context": "Tier, entity, detection window, message ID, partitioning and consumer effects. Effective configuration and dated operational evidence have not been inspected.",
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    "evidence_sources": [
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        "source_id": "servicebus",
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        "title": "Azure Service Bus duplicate detection",
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      "decision_context": "Save the evidence needed to interpret ambiguous sends and prevent inflated completion counts.",
      "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"
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      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
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    "revalidation": {
      "trigger": "A saved purchase does not recheck the source or buyer configuration.",
      "specific_watch": "Tier, entity, detection window, message ID, partitioning and consumer effects."
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  "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.",
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  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
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