{
  "analysis_date": "2026-10-16",
  "dataset": "The Hallucination Tracker",
  "version": "2.23",
  "released": "2026-10-16",
  "source_url": "https://www.hallucination-free.org/tracker/",
  "snapshot_sha256": "9e6881b9d74f44c7a1c9ee0b976200e4555c9e65e9999159212e80b1003acdb8",
  "denominator": 113,
  "unit": "one published record",
  "limitations": "Curated collection; not prevalence, model accuracy, severity or a time trend. Studies count once, not by trial count.",
  "row_field": "ai_involvement",
  "column_field": "failure_type",
  "marginals": {
    "ai_involvement": {
      "admitted": 45,
      "confirmed": 38,
      "suspected": 30
    },
    "failure_type": {
      "false claim": 13,
      "hallucination": 100
    },
    "record_type": {
      "controlled study": 13,
      "documented incident": 93,
      "evaluation with external action": 1,
      "first-person report": 4,
      "reported allegation": 2
    },
    "date_precision": {
      "day": 87,
      "month": 22,
      "year": 4
    }
  },
  "cells": [
    {
      "ai_involvement": "admitted",
      "failure_type": "false claim",
      "count": 0,
      "denominator": 113,
      "percent_of_all_records": 0.0
    },
    {
      "ai_involvement": "admitted",
      "failure_type": "hallucination",
      "count": 45,
      "denominator": 113,
      "percent_of_all_records": 39.82
    },
    {
      "ai_involvement": "confirmed",
      "failure_type": "false claim",
      "count": 12,
      "denominator": 113,
      "percent_of_all_records": 10.62
    },
    {
      "ai_involvement": "confirmed",
      "failure_type": "hallucination",
      "count": 26,
      "denominator": 113,
      "percent_of_all_records": 23.01
    },
    {
      "ai_involvement": "suspected",
      "failure_type": "false claim",
      "count": 1,
      "denominator": 113,
      "percent_of_all_records": 0.88
    },
    {
      "ai_involvement": "suspected",
      "failure_type": "hallucination",
      "count": 29,
      "denominator": 113,
      "percent_of_all_records": 25.66
    }
  ]
}