{
  "schema": "anvil-serving.benchmark-source-registry/v1",
  "campaign_id": "2026-10-16-glm-natural-baseline",
  "observed_at": "2026-10-17T00:00:00Z",
  "sources": [
    {
      "id": "local-campaign-plan",
      "url": null,
      "published_or_observed": "2026-10-17",
      "observed_at": "2026-10-17T00:00:00Z",
      "age_class": "current-local",
      "evidence_type": "local-measurement-plan",
      "hardware_runtime_relevance": "exact routed incumbent configuration",
      "decision_impact": "Defines the observational baseline; does not select or promote a model."
    },
    {
      "id": "local-native-timing",
      "url": null,
      "published_or_observed": "2026-10-17",
      "observed_at": "2026-10-17T00:00:00Z",
      "age_class": "current-local",
      "evidence_type": "local-capacity-observation",
      "hardware_runtime_relevance": "Exact current routed incumbent; shared-router observation.",
      "decision_impact": "Supplies latency baseline only after all cells complete."
    }
  ]
}