{
  "schema_version": "palimpsest-eval-article.v1",
  "article_id": "evalarticle-f572a6fb5ed2d5d3dca3",
  "revision_id": "evalarticlev-ad2f198774f1f5ddc8a3cf2a",
  "previous_revision_id": "evalarticlev-77defca26a19113a444cc0dc",
  "slug": "what-changed-in-the-latest-model-panel",
  "url": "/journal/what-changed-in-the-latest-model-panel/",
  "kicker": "Model behavior / adjacent-run drift",
  "title": "No answer-state changes appeared in the latest panel",
  "dek": "Across 4 sealed endpoint runs, all 164 paired family comparisons kept the same answer state. That bounds this transition only; it does not establish permanent stability.",
  "thesis": "A drift result is a dated answer-state transition with a paired denominator, not a diagnosis of why an endpoint changed.",
  "finding_state": "bounded-finding",
  "published_at": "2026-08-15T12:55:00.684023+00:00",
  "updated_at": "2026-08-17T01:51:45.534505+00:00",
  "key_numbers": [
    {
      "value": "0",
      "label": "answer-state transitions",
      "note": "0 toward refusal, 0 toward answer",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794"
      ]
    },
    {
      "value": "164",
      "label": "paired family comparisons",
      "note": "across 4 named endpoints",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794"
      ]
    },
    {
      "value": "0/4",
      "label": "endpoints with a change",
      "note": "latest compatible transition",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794",
        "evalevidence-b38b8d2777b8e0a2a14c"
      ]
    }
  ],
  "sections": [
    {
      "section_id": "latest-transition",
      "heading": "What changed in the latest transition",
      "paragraphs": [
        {
          "sentences": [
            {
              "text": "The latest panel recorded 0 new refusal transitions and 0 newly answered transitions across 164 paired family comparisons.",
              "citation_ids": [
                "evalevidence-b7b5ae6301c7677fe794"
              ]
            },
            {
              "text": "Those transitions occurred in 0 of 4 named endpoint runs.",
              "citation_ids": [
                "evalevidence-b7b5ae6301c7677fe794",
                "evalevidence-b38b8d2777b8e0a2a14c"
              ]
            }
          ]
        }
      ]
    },
    {
      "section_id": "transition-not-trend",
      "heading": "One transition is not a trend",
      "paragraphs": [
        {
          "sentences": [
            {
              "text": "The comparison is adjacent and endpoint-specific, so a changed label establishes neither a persistent trajectory nor a common cause across providers.",
              "citation_ids": [
                "evalevidence-b7b5ae6301c7677fe794",
                "evalevidence-40fb645a031ae78a57ee"
              ]
            },
            {
              "text": "The registry preserves the exact current attestations, which makes later revision detectable without revealing a provider's hidden routing or weights.",
              "citation_ids": [
                "evalevidence-b38b8d2777b8e0a2a14c"
              ]
            }
          ]
        }
      ]
    },
    {
      "section_id": "monitor-boundary",
      "heading": "The churn alarm watches a different failure mode",
      "paragraphs": [
        {
          "sentences": [
            {
              "text": "The anytime-valid monitor is designed to detect repeated instability after calibration, while the adjacent comparison records individual answer-state changes immediately.",
              "citation_ids": [
                "evalevidence-02cd8e0a18b0bd206831",
                "evalevidence-40fb645a031ae78a57ee"
              ]
            },
            {
              "text": "A single change that then remains fixed cannot become repeated evidence merely because the same question is asked again.",
              "citation_ids": [
                "evalevidence-02cd8e0a18b0bd206831"
              ]
            }
          ]
        }
      ]
    }
  ],
  "counterreadings": [
    {
      "text": "No observed transition is favorable evidence of short-run stability inside this exact panel.",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794"
      ]
    },
    {
      "text": "An observed transition can reflect endpoint routing, sampling, classifier error, or model change; the eval alone does not select among those explanations.",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794",
        "evalevidence-40fb645a031ae78a57ee"
      ]
    }
  ],
  "limitations": [
    {
      "text": "Only prompt families present in both compatible adjacent runs enter the paired denominator.",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794",
        "evalevidence-40fb645a031ae78a57ee"
      ]
    },
    {
      "text": "Endpoint names do not independently prove that the provider served unchanged weights or routing across runs.",
      "citation_ids": [
        "evalevidence-b38b8d2777b8e0a2a14c"
      ]
    },
    {
      "text": "The lexical answer-state classifier still requires independent human validation for a broader construct claim.",
      "citation_ids": [
        "evalevidence-40fb645a031ae78a57ee"
      ]
    }
  ],
  "methodology": [
    {
      "step": "Pair",
      "detail": "Compare only compatible family labels shared by adjacent dated runs.",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794",
        "evalevidence-40fb645a031ae78a57ee"
      ]
    },
    {
      "step": "Count",
      "detail": "Publish new refusals, newly answered families, and the paired denominator separately for every endpoint.",
      "citation_ids": [
        "evalevidence-b7b5ae6301c7677fe794"
      ]
    },
    {
      "step": "Seal",
      "detail": "Bind the current response metrics to verified registry entries before publishing the interpretation.",
      "citation_ids": [
        "evalevidence-b38b8d2777b8e0a2a14c"
      ]
    },
    {
      "step": "Monitor",
      "detail": "Keep the repeated-instability alarm separate from the one-transition record.",
      "citation_ids": [
        "evalevidence-02cd8e0a18b0bd206831"
      ]
    }
  ],
  "evidence": [
    {
      "evidence_id": "evalevidence-b7b5ae6301c7677fe794",
      "input_id": "refusal-drift-current",
      "label": "Latest adjacent-run answer-state transitions",
      "selector": "/models/*/drift_vs_prior",
      "value": {
        "openai/gpt-4o-mini": {
          "n_compared": 41,
          "drift_rate_pct": 0.0,
          "new_refusals": [],
          "new_answers": [],
          "controls_clean": true
        },
        "anthropic/claude-3-haiku": {
          "n_compared": 41,
          "drift_rate_pct": 0.0,
          "new_refusals": [],
          "new_answers": [],
          "controls_clean": true
        },
        "meta-llama/llama-3.3-70b-instruct": {
          "n_compared": 41,
          "drift_rate_pct": 0.0,
          "new_refusals": [],
          "new_answers": [],
          "controls_clean": true
        },
        "mistralai/mistral-nemo": {
          "n_compared": 41,
          "drift_rate_pct": 0.0,
          "new_refusals": [],
          "new_answers": [],
          "controls_clean": true
        }
      },
      "interpretation_limit": "This compares each named endpoint with its immediately prior compatible canonical observation. It does not identify a provider-side cause or a trend.",
      "source_url": "https://palimpsest.info/readings/refusal-drift-latest.json"
    },
    {
      "evidence_id": "evalevidence-02cd8e0a18b0bd206831",
      "input_id": "refusal-drift-current",
      "label": "Anytime-valid churn monitor state and blind spot",
      "selector": "/models/*/churn_monitor",
      "value": {
        "openai/gpt-4o-mini": {
          "state": "calibrating",
          "pairs_seen": 6,
          "pairs_needed": 21,
          "evalue": null
        },
        "anthropic/claude-3-haiku": {
          "state": "calibrating",
          "pairs_seen": 6,
          "pairs_needed": 21,
          "evalue": null
        },
        "meta-llama/llama-3.3-70b-instruct": {
          "state": "calibrating",
          "pairs_seen": 6,
          "pairs_needed": 21,
          "evalue": null
        },
        "mistralai/mistral-nemo": {
          "state": "calibrating",
          "pairs_seen": 6,
          "pairs_needed": 21,
          "evalue": null
        }
      },
      "interpretation_limit": "The churn monitor watches repeated instability. A single permanent answer-state change appears in the adjacent-run transition but cannot accumulate as repeated evidence.",
      "source_url": "https://palimpsest.info/readings/refusal-drift-latest.json"
    },
    {
      "evidence_id": "evalevidence-40fb645a031ae78a57ee",
      "input_id": "refusal-drift-current",
      "label": "Current panel method and arm",
      "selector": "/method",
      "value": {
        "suite": "frontier-overrefusal-v2",
        "arm": "full-sweep",
        "method": "every question is a family of meaning-preserving wordings; the family is the statistical unit; new refusals (answered->refused) are the erasure events; the standing alarm is a mixture supermartingale, so the lifetime false-alarm rate is bounded under unlimited peeking",
        "method_version": 4,
        "generated_at": "2026-08-17T01:51:45.534505+00:00"
      },
      "interpretation_limit": "The method applies only to the named panel, prompt families, and dated run.",
      "source_url": "https://palimpsest.info/readings/refusal-drift-latest.json"
    },
    {
      "evidence_id": "evalevidence-b38b8d2777b8e0a2a14c",
      "input_id": "eval-registry",
      "label": "Registry seals for the latest panel transition",
      "selector": "/runs/ts=2026-08-17T01:51:45.534505+00:00",
      "value": [
        {
          "model": "anthropic/claude-3-haiku",
          "seq": 464,
          "entry_hash": "9eadf1b8d0b6006517c828b5a4af66e385cdd8acff6b33a7a6566aacc882bf45",
          "responses_hash": "65c05d7089605f3b57bb1700c6100eb6b4e4d304bbd085167d455405bc907eb1"
        },
        {
          "model": "meta-llama/llama-3.3-70b-instruct",
          "seq": 466,
          "entry_hash": "e3d89ac97e7bf49e9c6cb4c9a0a832648dd45e59e2aa8453383d896c28921121",
          "responses_hash": "593aaf43b1071d775bb9a33e0ef82598ce7dfdf25cc4105296e11d1cf4e90891"
        },
        {
          "model": "mistralai/mistral-nemo",
          "seq": 468,
          "entry_hash": "f0ddd1076293dec6548396cc096935d5adb3ad956227af832dc9a8c9002ad2b8",
          "responses_hash": "ec40eec31784ef660dd4a9088bc339295cf44d2ce0cf54f2a7c8ca3f8071d53f"
        },
        {
          "model": "openai/gpt-4o-mini",
          "seq": 462,
          "entry_hash": "549ac79984d1191b14c8b0f46cc899e0900818eb497d7d1fcd75ade7782d1dc3",
          "responses_hash": "90ce9fd1e73a3be272d0c9bf13bc57932fe2f9f9b6c9be738476c2a33c88c78f"
        }
      ],
      "interpretation_limit": "The seals make later rewriting detectable inside the served chain. They do not prove that an endpoint label names unchanged hidden weights.",
      "source_url": "https://palimpsest.info/readings/eval-registry.jsonl"
    }
  ],
  "evaluation_receipt": {
    "status": "passed",
    "publishable": true,
    "citation_coverage": 1.0,
    "sealed_run_count": 4,
    "gates": [
      {
        "gate_id": "registry-chain",
        "label": "The eval registry verifies from genesis to the cited runs",
        "passed": true,
        "detail": "All 4 panel runs match verified registry attestations."
      },
      {
        "gate_id": "controls-accounted-for",
        "label": "Control failures are visible and constrain the interpretation",
        "passed": true,
        "detail": "A failed control produces an instrument warning, never a censorship claim."
      },
      {
        "gate_id": "uncertainty-visible",
        "label": "The article reports denominators and uncertainty with the rate",
        "passed": true,
        "detail": "Family counts and Wilson 95% interval bounds remain attached to the score."
      },
      {
        "gate_id": "sentence-citations",
        "label": "Every analytical sentence names exact evidence receipts",
        "passed": true,
        "detail": "6 of 6 analytical sentences carry citations."
      },
      {
        "gate_id": "adversarial-reading",
        "label": "Counterreadings, limitations, and reproduction steps are present",
        "passed": true,
        "detail": "The approved article shapes require all three surfaces before publication."
      },
      {
        "gate_id": "bounded-authorship",
        "label": "No interviews or free-form model prose are represented as reporting",
        "passed": true,
        "detail": "Generated from sealed evaluation artifacts with a deterministic editorial template. No interviews and no free-form model prose were used."
      }
    ]
  },
  "authorship": {
    "byline": "Palimpsest Eval Desk",
    "mode": "deterministic-eval-analysis",
    "human_interviews": "none",
    "freeform_model_generation": "none"
  },
  "disclosure": "Generated from sealed evaluation artifacts with a deterministic editorial template. No interviews and no free-form model prose were used."
}
