{
  "id": "palimpsest-news:generative-firewall",
  "slug": "generative-firewall-index",
  "url": "https://palimpsest.info/news/generative-firewall-index/",
  "signal_id": "generative-firewall",
  "headline": "The Generative Firewall Index reads 25 across 20 evaluated cells",
  "dek": "A controlled prompt bank measures answer, refusal and party-line behaviour by model and concept.",
  "section": "models",
  "order": 1,
  "type": "measurement",
  "priority": "lead",
  "status": "live",
  "published_at": "2026-08-23T08:02:43Z",
  "modified_at": "2026-08-23T08:02:43Z",
  "claim_fingerprint": "sha256:b518336c820a3bee2b117ae569bbfee3d011e076b7d1eedcc1b95a299e9ae5af",
  "metric": {
    "label": "GFI",
    "value": 25.0,
    "unit": "index",
    "denominator": {
      "label": "evaluated cells",
      "value": 20
    }
  },
  "claims": [
    {
      "type": "finding",
      "statement": "The current controlled evaluation reports a Generative Firewall Index of 25 across 20 cells."
    }
  ],
  "evidence": {
    "url": "https://palimpsest.info/readings/latest.json",
    "input": {
      "filename": "latest.json",
      "sha256": "3daacc7b91b056e31570b5c1250b7472b2d729fcc929b87b9fa50d4b25633618",
      "bytes": 199555
    },
    "source_timestamp": "2026-08-23T08:02:43Z"
  },
  "method": {
    "summary": "k5-wilson95",
    "version": 4
  },
  "limitations": [
    "The index describes a fixed prompt-and-model evaluation grid; it does not generalize to every prompt, language or deployment route."
  ],
  "related_signal_ids": [
    "board-alarm",
    "forecast-ledger"
  ]
}