{
  "id": "v08-tr-derivation",
  "chapter": "02",
  "title": "tr_ id derives from the whole issuance payload {student, courses, issued_at, issuer_user, person_id}",
  "check": "receipt_id",
  "input": {
    "kind": "tr",
    "payload": {
      "student": {
        "first": "Maya",
        "last": "Chen",
        "dob": "2008-09-14",
        "gradYear": "2026",
        "program": "Traditional homeschool · NY",
        "issuer": "Chen Family Records Office",
        "philosophy": "Mastery before pace."
      },
      "courses": [
        {
          "year": "2025-26",
          "term": "Year",
          "subject": "Mathematics",
          "title": "Algebra II",
          "credit": "1.0",
          "grade": "A",
          "evidence": "",
          "tier": "family"
        },
        {
          "year": "2025-26",
          "term": "Year",
          "subject": "English",
          "title": "American Literature",
          "credit": "1.0",
          "grade": "A-",
          "evidence": "",
          "tier": "self"
        }
      ],
      "issued_at": "2026-05-12T14:08:00.000Z",
      "issuer_user": "unauth-preview",
      "person_id": "p_demo"
    }
  },
  "expect": {
    "verdict": "pass",
    "id": "tr_d83e84e54c94",
    "sha256": "d83e84e54c94637b51e7b56e8e92da9b8c6e05e94ed9f6dcf107dcce4f97dfbf"
  }
}