{
  "classification": "Public",
  "expected": {
    "conformance_scope": "pass",
    "evidence_state": "unverified",
    "key_lifecycle": "active",
    "normalized_linkage": "pass",
    "overall": "unverified",
    "payload_digest": "pass",
    "signature": "pass",
    "structure": "pass"
  },
  "expected_verdict": "unverified",
  "metadata": {
    "data_origin": "Sanitized deterministic demonstration data generated locally; no staging or production material.",
    "description": "A deterministic receipt-verification example shaped like the NWS capability; not a live weather alert.",
    "fixture_id": "gold-nws-severe-weather",
    "generated_at": "2026-07-17T00:00:00Z",
    "not_live_claim": true,
    "test_key_id": "df-ed25519-a3c5eeda6a1d",
    "title": "NWS severe-weather capability \u2014 sanitized demonstration"
  },
  "receipt": {
    "payload_sha256": "sha256:afdb790f1748e23bda7851bff8bac3c32f115f3779f338018e8336d792c3a2cf",
    "receipt": {
      "canonicalization": "df-jcs-1",
      "correction_of": null,
      "issued_at": "2026-07-17T00:00:00Z",
      "kind": "observation",
      "receipt_id": "tr_594b008764ecb1542270decd9f4b26f6",
      "request": {
        "caller_claim": null,
        "capability": "weather_alerts",
        "operation": "resolve_live_fact",
        "parameters": {
          "area": "CA",
          "event": "Demonstration Warning",
          "limit": 1
        }
      },
      "request_id": "req_b025b45ca8fb3dda5c77fcbf36db6436",
      "result": {
        "freshness_state": "fresh",
        "limitations": [
          "The alert is explicitly fictional and was not fetched from NWS.",
          "This is sanitized deterministic conformance data, not a live source observation.",
          "A valid signature proves signed-byte integrity and issuer attribution, not objective truth."
        ],
        "status": "ok",
        "value": {
          "alerts": [
            {
              "area": "Example County, CA",
              "event": "Demonstration Warning",
              "severity": "Moderate",
              "status": "Test"
            }
          ],
          "count": 1
        },
        "verification_state": "unverified"
      },
      "roles": {
        "claimant": {
          "id": "public-conformance.dynamicfeed.invalid",
          "role": "claimant"
        },
        "issuer": {
          "id": "public-conformance.dynamicfeed.invalid",
          "role": "issuer"
        },
        "observer": {
          "id": "public-conformance.dynamicfeed.invalid",
          "role": "observer"
        },
        "witness": {
          "id": "public-conformance.dynamicfeed.invalid",
          "role": "witness"
        }
      },
      "schema_version": "trust-receipt/v1",
      "source_observations": [
        {
          "adapter_response_sha256": "sha256:074c4275337ce74147db723a9767bdceb1e7de1e690d037fb457ce33433bde35",
          "commercial_use": true,
          "freshness": {
            "age_seconds": 60,
            "maximum_age_seconds": 3600,
            "state": "fresh"
          },
          "license": "US Government work \u2014 public domain",
          "normalized_evidence_sha256": "sha256:66facfe915c8ce7daa24a666f0f51d4461f49a912dcfbe3319a4b8aaece3372e",
          "observed_at": "2026-07-16T23:59:00Z",
          "raw_evidence_available": false,
          "raw_evidence_sha256": null,
          "retrieved_at": "2026-07-17T00:00:00Z",
          "source_id": "nws",
          "source_name": "US National Weather Service (sanitized demonstration)",
          "source_url": "https://www.weather.gov"
        }
      ],
      "transformation": {
        "adapter": "weather_alerts",
        "parser_version": "trust-receipt-v1.0-public-demo"
      }
    },
    "signature": {
      "alg": "Ed25519",
      "canonicalization": "df-jcs-1",
      "key_id": "df-ed25519-a3c5eeda6a1d",
      "sig": "mWmNTQZnz3Z1sgq7i9VTzSb8Ij_HTg0iFYh4fYv2fa4Zw2YVuRMQksQa-r5CNuq0TQjpcGWcFObFFJPg7XB3Dg"
    }
  },
  "schema": "df-conformance-fixture/v1"
}