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  "record_id": "VXI-EXT-PROCUREMENT-SENSORTHINGS-DELETE-INTEGRITY-CASCADE-01-v1",
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  "title": "SensorThings deletion and related observation loss",
  "system": "OGC SensorThings Sensing 1.1",
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    "Does SensorThings Datastream deletion remove linked Observations?",
    "Can deleting a SensorThings Sensor affect stored measurements?",
    "Which SensorThings dependencies matter before deleting metadata?",
    "Does SensorThings API deletion establish backup erasure?"
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      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
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    "Buyer deployment testing, live runtime enforcement, certification or permission to act",
    "Expanded capabilities or licences for existing INDEX executables"
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  "public_summary": "SensorThings Sensing 1.1 deletion rules remove entity relations and specify integrity cascades, including deleting observations linked to a deleted Datastream. Deleting a Sensor or ObservedProperty also deletes linked Datastreams. Buyers should assess these dependencies before removal; API entity deletion does not independently prove erasure of backups or other stored copies.",
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    "source_title": "OGC SensorThings Part1 Sensing 1.1, published 2021-08-04 — 18-088.html",
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    "required_buyer_context": "Entity and relationship inventory; Requested deletion target; Retention and backup evidence outside the API. Buyer deployment not inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
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      "statement": "SensorThings Sensing 1.1 deletion rules remove entity relations and specify integrity cascades, including deleting observations linked to a deleted Datastream. Deleting a Sensor or ObservedProperty also deletes linked Datastreams. Buyers should assess these dependencies before removal; API entity deletion does not independently prove erasure of backups or other stored copies.",
      "source_ids": [
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    "review_inference": {
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      "statement": "Assess the observation impact before deleting metadata entities. This is a review judgment, not a measured deployment result.",
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    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Refuse preservation claims that ignore deletion dependencies or physical-erasure claims based only on API deletion."
    },
    "unknowns": "Actual cascade execution and residual copies were not inspected.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "Actual cascade execution and residual copies were not inspected."
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        "hash_basis": "SHA-256 of unmodified HTTP response body bytes",
        "rights_review": "Original bounded paraphrase; source bodies are captured privately and not redistributed. OGC published-document copyright and licence reviewed; no modified standard or endorsement is represented.",
        "checked_on": "2026-10-24",
        "capture_status": 200,
        "claim_review_completed": true,
        "reviewed_sections": [
          "8.2.6 Observation properties; phenomenonTime",
          "8.2.6 Observation properties; resultTime",
          "8.2.2 Location; 8.2.6 Observation relations",
          "8.2.4 Datastream properties and relations",
          "10.4 entity deletion; Table 25 integrity constraints",
          "13.2.2 dataArray creation response",
          "12 MultiDatastream; requirement 42",
          "9.3.3.2 top; response pagination",
          "11 batch requests; 11.3 example batch response",
          "14 MQTT extension and serverSettings",
          "14.1 observation creation over MQTT",
          "7.7 security"
        ],
        "version_context": "OGC SensorThings Part1 Sensing 1.1, published 2021-08-04; fixed published document 18-088; linked Sensing 1.1 errata URL returned 404, so absence of errata is not established. 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": {
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        "Private evidence or vendor certification"
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      "specific_watch": "Recheck the specification version, errata availability, deployed profile, clock policy and retained operation results before relying on a current outcome."
    },
    "buyer_relevance": "Assess the observation impact before deleting metadata entities.",
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    "classification_label": "AI Data Custody, Retention & Exit Assurance",
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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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