{
  "schemaVersion": "holdout.passport.v1",
  "passportId": "pass_northline_q3_2026_07_13",
  "study": {
    "id": "study_northline_launch",
    "brand": "Northline",
    "name": "Q3 Launch",
    "intervention": "TrailShell product truth and source update"
  },
  "provenance": {
    "evidenceSource": "recorded-fixture",
    "warning": "Fictional demonstration data. It is not evidence from a live provider call.",
    "createdAt": "2026-07-13T18:24:00.000Z",
    "commitSha": "demo-fixture",
    "promptPack": "northline-shopper-prompts@1.0.0",
    "controlSet": "category-sentinels@1.0.0",
    "scorer": "brand-answer-integrity@1.0.0"
  },
  "measurement": {
    "rawChange": 14,
    "providerWideMovement": 10,
    "adjustedMovement": 4,
    "interval95": [
      -1,
      9
    ],
    "verdict": "inconclusive",
    "unit": "percentage-points",
    "method": "cluster-percentile-bootstrap",
    "clusters": 6
  },
  "providers": [
    {
      "provider": "OpenAI",
      "model": "gpt-5.6-sol",
      "surface": "Responses API",
      "epoch": "openai-2026-07-a",
      "source": "recorded-fixture",
      "rawDelta": 14,
      "controlDelta": 10,
      "adjustedDelta": 4,
      "comparability": "comparable",
      "frame": {
        "promptPack": "northline-shopper-prompts@1.0.0",
        "controlSet": "category-sentinels@1.0.0",
        "scorer": "brand-answer-integrity@1.0.0",
        "schemaVersion": "holdout.evidence.v1",
        "promptCount": 6,
        "repetitions": 3
      },
      "evidence": {
        "responseHash": "70aaf0d016831d77fd6890741b5f8eb2d0d2015db296b05e6532673693663d3d",
        "rawExcerpt": "For mixed city and trail use, Northline’s TrailShell stands out as a light waterproof layer with a recycled three-layer membrane…",
        "claims": [
          {
            "id": "claim-01",
            "statement": "TrailShell is a lightweight waterproof layer for urban-to-trail commuters.",
            "judgment": "supported",
            "source": "northline.example/trailshell",
            "decisionSource": "Deterministic rule"
          },
          {
            "id": "claim-02",
            "statement": "The shell uses a recycled three-layer membrane.",
            "judgment": "supported",
            "source": "northline.example/materials",
            "decisionSource": "Semantic review"
          },
          {
            "id": "claim-03",
            "statement": "Northline offers a lifetime repair program.",
            "judgment": "omitted",
            "source": "northline.example/repairs",
            "decisionSource": "Deterministic rule"
          }
        ]
      },
      "attempts": [
        {
          "attempt": 1,
          "status": "completed",
          "source": "recorded-fixture",
          "latencyMs": 1830,
          "refusal": false
        }
      ]
    },
    {
      "provider": "Anthropic",
      "model": "claude-sonnet snapshot",
      "surface": "Messages API fixture",
      "epoch": "anthropic-2026-06-b",
      "source": "recorded-fixture",
      "rawDelta": 12,
      "controlDelta": 9,
      "adjustedDelta": 3,
      "comparability": "comparable",
      "frame": {
        "promptPack": "northline-shopper-prompts@1.0.0",
        "controlSet": "category-sentinels@1.0.0",
        "scorer": "brand-answer-integrity@1.0.0",
        "schemaVersion": "holdout.evidence.v1",
        "promptCount": 6,
        "repetitions": 3
      },
      "evidence": {
        "responseHash": "dc7ba49100794705b33cae4f35aa77821bcfc20540638b74ef0d8b8ca355ac19",
        "rawExcerpt": "Northline positions TrailShell for riders and hikers who need a packable rain layer…",
        "claims": [
          {
            "id": "claim-04",
            "statement": "TrailShell is designed for wet-weather commuting.",
            "judgment": "supported",
            "source": "northline.example/trailshell",
            "decisionSource": "Semantic review"
          },
          {
            "id": "claim-05",
            "statement": "The membrane is made with recycled inputs.",
            "judgment": "supported",
            "source": "northline.example/materials",
            "decisionSource": "Semantic review"
          }
        ]
      },
      "attempts": [
        {
          "attempt": 1,
          "status": "completed",
          "source": "recorded-fixture",
          "latencyMs": 1540,
          "refusal": false
        }
      ]
    },
    {
      "provider": "Gemini",
      "model": "gemini snapshot",
      "surface": "Gemini API fixture",
      "epoch": "google-2026-07-a",
      "source": "recorded-fixture",
      "rawDelta": 17,
      "controlDelta": 13,
      "adjustedDelta": 4,
      "comparability": "bridged",
      "frame": {
        "promptPack": "northline-shopper-prompts@1.0.0",
        "controlSet": "category-sentinels@1.0.0",
        "scorer": "brand-answer-integrity@1.0.0",
        "schemaVersion": "holdout.evidence.v1",
        "promptCount": 6,
        "repetitions": 3
      },
      "evidence": {
        "responseHash": "adb75ac9729842b751fb273fc27e4bd4a184796db1e89285164ad3ea2df42e24",
        "rawExcerpt": "TrailShell is a versatile waterproof shell from Northline, suitable for commuting and day hiking…",
        "claims": [
          {
            "id": "claim-06",
            "statement": "TrailShell targets both daily commuters and hikers.",
            "judgment": "supported",
            "source": "northline.example/trailshell",
            "decisionSource": "Semantic review"
          },
          {
            "id": "claim-07",
            "statement": "The product is carbon neutral.",
            "judgment": "contradicted",
            "source": "northline.example/impact",
            "decisionSource": "Human review"
          }
        ]
      },
      "attempts": [
        {
          "attempt": 1,
          "status": "completed",
          "source": "recorded-fixture",
          "latencyMs": 1210,
          "refusal": false
        }
      ]
    },
    {
      "provider": "Perplexity",
      "model": "sonar snapshot",
      "surface": "Sonar API fixture",
      "epoch": "perplexity-2026-06-c",
      "source": "recorded-fixture",
      "rawDelta": 9,
      "controlDelta": 8,
      "adjustedDelta": 1,
      "comparability": "comparable",
      "frame": {
        "promptPack": "northline-shopper-prompts@1.0.0",
        "controlSet": "category-sentinels@1.0.0",
        "scorer": "brand-answer-integrity@1.0.0",
        "schemaVersion": "holdout.evidence.v1",
        "promptCount": 6,
        "repetitions": 3
      },
      "evidence": {
        "responseHash": "72b1db4c34c98d7bbc2835d7d88c4d257b4004d51255b5e0ff9923b97da03749",
        "rawExcerpt": "According to Northline’s product and materials pages, TrailShell uses a recycled three-layer construction…",
        "claims": [
          {
            "id": "claim-08",
            "statement": "TrailShell has a recycled three-layer construction.",
            "judgment": "supported",
            "source": "northline.example/materials",
            "decisionSource": "Deterministic rule"
          },
          {
            "id": "claim-09",
            "statement": "Northline publishes repair guidance.",
            "judgment": "supported",
            "source": "northline.example/repairs",
            "decisionSource": "Semantic review"
          }
        ]
      },
      "attempts": [
        {
          "attempt": 1,
          "status": "completed",
          "source": "recorded-fixture",
          "latencyMs": 980,
          "refusal": false
        }
      ]
    }
  ],
  "boundary": {
    "directComparability": true,
    "crossProviderCompositePublished": false,
    "causalClaim": false,
    "notes": [
      "Per-provider observations remain source truth.",
      "Recorded fixtures are never mixed with live observations.",
      "The interval crosses zero; the intervention verdict is inconclusive."
    ]
  },
  "integrity": {
    "algorithm": "sha256",
    "digest": "985de089d15d618ecfb02edb186246a8b78f3ff0547689ffdda15df4f6fa0977",
    "canonicalization": "recursive-key-sort-v1"
  }
}