{
  "topic": "Saka in Punjab",
  "generated": "2026-07-12",
  "method": "evidence-graded RAG over cdr research vault; grades never upgraded",
  "claims": [
    {
      "id": 0,
      "grade": "attested",
      "claim": "Indo-Scythian rulers Maues, then Azes, then the satrap Rajuvula held the northwest through an Iranian-derived kshatrapa system, struck coins bilingual in Greek and Kharoshthi, and endowed Buddhist foundations; the Azes era dated inscriptions for centuries.",
      "source": "Indo-Scythian numismatic and epigraphic corpus (Konow 1929; Senior 2001-06)"
    },
    {
      "id": 1,
      "grade": "attested",
      "claim": "The Mathura Lion Capital names a mahakshatrapa Saka and king Moga (Maues) in Kharoshthi.",
      "source": "Mathura Lion Capital inscription"
    },
    {
      "id": 2,
      "grade": "contested",
      "claim": "The Han histories record the Sai (Sai = Saka) as a northwestern people driven south of the Pamirs by the Yuezhi, scattering into several kingdoms - the same displacement seen from the Chinese side. Exact quotations pending validation against a critical edition.",
      "source": "Shiji 123; Hanshu 96; Hou Hanshu 88"
    },
    {
      "id": 3,
      "grade": "verified",
      "claim": "Steppe (R1a-Z93 / Steppe_MLBA) ancestry entered South Asia gradually from c. 1200-800 BCE, first visible in the Swat Valley Iron Age transect, rising over centuries - a demographic transition, not a single conquest.",
      "source": "Narasimhan et al. 2019, Science",
      "doi": "10.1126/science.aat7487"
    },
    {
      "id": 4,
      "grade": "verified",
      "claim": "IBD sharing between modern Punjabi patrilines and the Iron-Age Siberian Tagar sample DA9 reflects a common upstream root in the R1a-Z93 pool, not descent from the Saka or Tagar.",
      "source": "de Barros Damgaard et al. 2018, Nature",
      "doi": "10.1038/s41586-018-0094-2"
    },
    {
      "id": 5,
      "grade": "contested",
      "claim": "The popular equation of Jatt or Sikh identity with the ancient Sakas conflates a political-military stratum with a living people; the Sakas issued coins and inscriptions but were not a closed progenitor population.",
      "source": "multi-axis synthesis, cdr research vault"
    },
    {
      "id": 6,
      "grade": "tradition",
      "claim": "The Punjab read as a frontier that repeatedly absorbed and transformed its arrivals; continuity is of place and patriline, not ethnicity.",
      "source": "History of Asia from a Panjabi Sikh Perspective (vault)"
    }
  ]
}