# Identification probe result

## Run metadata

Case: CASE-VT57  
Analyst model: GPT-5

## Machine-readable result

```json
{
  "schema_version": "2.1.0",
  "analyst_model": "GPT-5",
  "case_id": "CASE-VT57",
  "identification": {
    "recognition_level": "specific_candidate",
    "composer": "Wolfgang Amadeus Mozart",
    "work": "Piano Sonata in D major, K. 311 (284c)",
    "movement": "I. Allegro con spirito",
    "confidence": 0.98,
    "evidence_ids": ["E001", "E002", "E003", "E004", "E015", "E016", "E017", "E018"],
    "reason": "The distinctive D-major opening melody over broken-chord accompaniment, its trill-and-resolution phrase, and the corresponding G-major restatement in W3 closely match the first movement of Mozart’s K. 311."
  }
}
```

## Limitations

The identification is inferred solely from symbolic pitch, rhythm, texture, and form. No title, instrumentation label, tempo marking, source attribution, or external reference was available for confirmation.