{
  "access": "open",
  "card": {
    "known_limitations": "Digitisation, not an official release; precision limited by the figure. The μ-like event figure covers E_rec < 3 GeV only; the (sin²θ23, Δm²32) contour figure is a raster image (digitised by colour, less precise). Per-mode totals match the release legends to ≤0.3 %.",
    "provenance": "Extracted from the arXiv sources of 2303.03222 and 2506.05889 and the 2025 release PDFs with the scripts in the same folder (vector paths where available).",
    "validation": "Checked against the published numbers / curves in the verification entries listed above."
  },
  "creators": [
    {
      "kind": "organization",
      "name": "Newtrinos developers"
    }
  ],
  "curation": {
    "added": "2026-10-23",
    "source": "wave 1: Newtrinos.jl / verifications inventory",
    "status": "curated"
  },
  "data": {
    "formats": ["hdf5"],
    "levels": ["digitized", "binned"]
  },
  "date_published": 2026,
  "description": "Event-by-event far-detector kinematics from arXiv:2303.03222 (vector markers), per-sample / per-mode predictions from the vector PDFs of the 2025 release, the νμ CC1π⁺ data, and the official Δχ²(δCP) and (sin²θ23, Δm²32) contours of arXiv:2506.05889. Digitised / vector-extracted by the Newtrinos developers from published figures; scripts alongside the data.",
  "distributions": [
    {
      "formats": ["hdf5"],
      "host": "github",
      "label": "Newtrinos.jl repository",
      "role": "primary",
      "url": "https://github.com/Newtrinos-org/Newtrinos.jl/tree/main/src/experiments/t2k/t2k_2025"
    }
  ],
  "experiments": ["t2k"],
  "id": "newtrinos-t2k-figure-data",
  "license": "MIT",
  "license_notes": "as part of Newtrinos.jl; the underlying figures belong to the collaborations / publishers",
  "newtrinos": {
    "modules": ["t2k"],
    "verifications": ["10.1103_gh5j-5cwv", "10.1140_epjc_s10052-023-11819-x"]
  },
  "owner": {
    "kind": "organization",
    "name": "Newtrinos-org"
  },
  "references": [
    {
      "arxiv": "2303.03222",
      "citation": "far-detector distributions",
      "doi": "10.1140/epjc/s10052-023-11819-x",
      "relation": "uses"
    },
    {
      "arxiv": "2506.05889",
      "citation": "Figs. 1, 3, 4",
      "doi": "10.1103/gh5j-5cwv",
      "relation": "uses"
    }
  ],
  "relations": [
    {
      "rel": "derived_from",
      "target": "doi:10.1140/epjc/s10052-023-11819-x"
    },
    {
      "rel": "derived_from",
      "target": "t2k-2025-data-release"
    }
  ],
  "short": "T2K: far-detector events, per-mode predictions (2025 release PDFs), CC1π⁺ data and official Δχ²/contours, extracted",
  "sources": ["accelerator"],
  "title": "T2K far-detector events, predictions and official contours extracted from figures (2023, 2025)",
  "topics": ["oscillation", "cp-violation"],
  "type": "dataset"
}