{
  "accessedAt": "2026-10-09T22:06:24Z",
  "articleId": "2026-10-09-evening-arc-2",
  "baselineSnapshot": {
    "bronze": 31.81,
    "gold": 38.47,
    "silver": 32.22,
    "t": "2026-10-08T21:50:51Z",
    "teams": 2612,
    "top": 83.61
  },
  "baselineTargetAt": "2026-10-08T22:00:00Z",
  "briefSha256": "58c51a0cf2b62ede754ee4fcd6eb33475524bc8dd63e5bcc730b4ff28b6a15f1",
  "closingSnapshot": {
    "bronze": 31.81,
    "gold": 38.61,
    "silver": 32.22,
    "t": "2026-10-09T21:53:50Z",
    "teams": 2657,
    "top": 88.06
  },
  "comparisons": {
    "15486728": {
      "end": [
        "2026-10-09T21:53:50Z",
        33.89,
        29
      ],
      "start": [
        "2026-10-08T19:50:39Z",
        33.89,
        27
      ]
    },
    "15486939": {
      "end": [
        "2026-10-09T21:53:50Z",
        77.08,
        4
      ],
      "start": [
        "2026-10-08T19:20:36Z",
        77.08,
        4
      ]
    },
    "15487968": {
      "end": [
        "2026-10-09T21:53:50Z",
        38.61,
        15
      ],
      "start": null
    },
    "15501171": {
      "end": [
        "2026-10-09T21:53:50Z",
        77.22,
        3
      ],
      "start": [
        "2026-10-08T02:12:40Z",
        77.22,
        3
      ]
    },
    "15507730": {
      "end": [
        "2026-10-09T21:53:50Z",
        18.33,
        1640
      ],
      "start": [
        "2026-10-08T21:50:51Z",
        14.17,
        1641
      ]
    },
    "15526034": {
      "end": [
        "2026-10-09T21:53:50Z",
        58.75,
        7
      ],
      "start": [
        "2026-10-08T19:20:36Z",
        58.75,
        7
      ]
    },
    "15605185": {
      "end": [
        "2026-10-09T21:53:50Z",
        30.14,
        816
      ],
      "start": null
    },
    "15648732": {
      "end": [
        "2026-10-09T21:53:50Z",
        45.83,
        10
      ],
      "start": [
        "2026-10-08T02:12:40Z",
        45.83,
        10
      ]
    },
    "15789060": {
      "end": [
        "2026-10-09T21:53:50Z",
        80.56,
        2
      ],
      "start": [
        "2026-10-08T02:12:40Z",
        80.56,
        2
      ]
    },
    "16373916": {
      "end": [
        "2026-10-09T21:53:50Z",
        48.33,
        9
      ],
      "start": [
        "2026-10-08T19:20:36Z",
        48.33,
        9
      ]
    },
    "16461211": {
      "end": [
        "2026-10-09T21:53:50Z",
        58.47,
        8
      ],
      "start": [
        "2026-10-08T19:20:36Z",
        58.47,
        8
      ]
    },
    "16598993": {
      "end": [
        "2026-10-09T21:53:50Z",
        32.22,
        173
      ],
      "start": [
        "2026-10-08T19:50:39Z",
        31.81,
        216
      ]
    },
    "16671221": {
      "end": [
        "2026-10-09T21:53:50Z",
        67.36,
        6
      ],
      "start": null
    },
    "16756524": {
      "end": [
        "2026-10-09T21:53:50Z",
        88.06,
        1
      ],
      "start": null
    },
    "16768245": {
      "end": [
        "2026-10-09T21:53:50Z",
        67.64,
        5
      ],
      "start": null
    },
    "16904634": {
      "end": [
        "2026-10-09T21:53:50Z",
        32.64,
        97
      ],
      "start": [
        "2026-10-08T19:50:39Z",
        32.22,
        160
      ]
    },
    "17023174": {
      "end": [
        "2026-10-09T21:53:50Z",
        30.97,
        583
      ],
      "start": null
    }
  },
  "competitorFacts": [
    {
      "checkedAt": "2026-10-09T03:23:31Z",
      "sourceId": "fact-15486728-0",
      "sourceTitle": "Mithil A Vakde — Kaggle mdlARC model",
      "sourceUrl": "https://www.kaggle.com/models/mithilavakde/mdlarc",
      "teamId": "15486728",
      "text": "The Kaggle account mithilavakde publishes a model called mdlARC under the displayed name Mithil A Vakde."
    },
    {
      "checkedAt": "2026-10-08T03:38:00Z",
      "sourceId": "fact-15486939-0",
      "sourceTitle": "ARC-AGI-3 public team roster",
      "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
      "teamId": "15486939",
      "text": "The observed nvbanana roster contains cpmpml and darraghdog. Those two handles also appear in NVARC3 on the ARC-AGI-3 board; these remain separate competition entries."
    },
    {
      "checkedAt": "2026-10-09T03:23:31Z",
      "sourceId": "fact-15486939-1",
      "sourceTitle": "Jean-François Puget — public professional profile",
      "sourceUrl": "https://github.com/jfpuget",
      "teamId": "15486939",
      "text": "Jean-François Puget’s public GitHub profile identifies him as CPMP and links directly to the Kaggle account cpmpml."
    },
    {
      "checkedAt": "2026-10-09T03:23:31Z",
      "sourceId": "fact-15486939-2",
      "sourceTitle": "NVIDIA — Jean-Francois Puget author biography",
      "sourceUrl": "https://developer.nvidia.com/blog/author/jeanfrancoispuget/",
      "teamId": "15486939",
      "text": "NVIDIA’s author biography describes Jean-Francois Puget as a director and individual contributor whose team advances agentic AI and showcases NVIDIA tools and expertise in Kaggle competitions."
    },
    {
      "checkedAt": "2026-10-08T03:38:00Z",
      "sourceId": "fact-15507730-0",
      "sourceTitle": "The ARChitects — 2025 team solution",
      "sourceUrl": "https://www.kaggle.com/competitions/arc-prize-2025/writeups/the-architects-solution-2025",
      "teamId": "15507730",
      "text": "The ARChitects’ own 2025 solution write-up credits Jan Disselhoff under the Kaggle handle insanitycheck, alongside David Hartmann (dvhrtm) and Daniel Franzen (dfranzen)."
    },
    {
      "checkedAt": "2026-10-08T03:38:00Z",
      "sourceId": "fact-15507730-1",
      "sourceTitle": "The ARChitects — 2025 technical report",
      "sourceUrl": "https://lambdalabsml.github.io/ARC2025_Solution_by_the_ARChitects/",
      "teamId": "15507730",
      "text": "The team’s 2025 technical report lists Jan Disselhoff at Johannes Gutenberg University Mainz."
    },
    {
      "checkedAt": "2026-10-09T03:23:31Z",
      "sourceId": "fact-15526034-0",
      "sourceTitle": "ARC-AGI-2 observed public roster",
      "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
      "teamId": "15526034",
      "text": "The ARC-AGI-2 roster observed on 8 October 2026 includes keithtyser. This observation does not establish a joining date."
    }
  ],
  "cutoffAt": "2026-10-09T22:00:00Z",
  "events": [
    {
      "from": 0,
      "id": "16696082",
      "name": "chenyujia1024",
      "rankFrom": 2419,
      "rankTo": 421,
      "t": "2026-10-08T23:20:59Z",
      "to": 31.39
    },
    {
      "from": 30.56,
      "id": "16621526",
      "name": "Carloscp",
      "rankFrom": 727,
      "rankTo": 421,
      "t": "2026-10-08T23:51:01Z",
      "to": 31.39
    },
    {
      "from": 40,
      "id": "15580691",
      "name": "Ueddy",
      "rankFrom": 13,
      "rankTo": 13,
      "t": "2026-10-09T00:21:04Z",
      "to": 40.83
    },
    {
      "from": null,
      "id": "17051047",
      "name": "SamarthPD-21",
      "rankFrom": null,
      "rankTo": 421,
      "t": "2026-10-09T00:21:04Z",
      "to": 31.39
    },
    {
      "from": 64.58,
      "id": "16768245",
      "name": "_hans",
      "rankFrom": 6,
      "rankTo": 5,
      "t": "2026-10-09T00:51:06Z",
      "to": 67.64
    },
    {
      "from": 66.81,
      "id": "16671221",
      "name": "ALbert RUehlman",
      "rankFrom": 5,
      "rankTo": 6,
      "t": "2026-10-09T00:51:06Z",
      "to": 67.36
    },
    {
      "from": null,
      "id": "17032942",
      "name": "KevinY1210",
      "rankFrom": null,
      "rankTo": 424,
      "t": "2026-10-09T00:51:06Z",
      "to": 31.39
    },
    {
      "from": 20,
      "id": "16001787",
      "name": "Kenj",
      "rankFrom": 1604,
      "rankTo": 21,
      "t": "2026-10-09T02:51:37Z",
      "to": 35.42
    },
    {
      "from": 30.56,
      "id": "15609484",
      "name": "Mohamed Mahmoud Amar",
      "rankFrom": 734,
      "rankTo": 53,
      "t": "2026-10-09T04:21:48Z",
      "to": 33.06
    },
    {
      "from": 83.61,
      "id": "16756524",
      "name": "Tufa Labs",
      "rankFrom": 1,
      "rankTo": 1,
      "t": "2026-10-09T05:21:54Z",
      "to": 88.06
    },
    {
      "from": 31.11,
      "id": "17023569",
      "name": "yukichi0403",
      "rankFrom": 443,
      "rankTo": 29,
      "t": "2026-10-09T06:21:58Z",
      "to": 33.89
    },
    {
      "from": 31.39,
      "id": "16767874",
      "name": "T0m0t0m0 W",
      "rankFrom": 418,
      "rankTo": 169,
      "t": "2026-10-09T08:52:10Z",
      "to": 32.22
    },
    {
      "from": null,
      "id": "17034545",
      "name": "Ryo Takaki",
      "rankFrom": null,
      "rankTo": 170,
      "t": "2026-10-09T09:52:14Z",
      "to": 32.22
    },
    {
      "from": 31.25,
      "id": "16926865",
      "name": "Galaxy A55",
      "rankFrom": 431,
      "rankTo": 26,
      "t": "2026-10-09T11:22:22Z",
      "to": 34.17
    },
    {
      "from": 30.14,
      "id": "16806027",
      "name": "Eesh saxena",
      "rankFrom": 895,
      "rankTo": 296,
      "t": "2026-10-09T12:52:30Z",
      "to": 31.53
    },
    {
      "from": 32.22,
      "id": "16904634",
      "name": "Amaan",
      "rankFrom": 164,
      "rankTo": 97,
      "t": "2026-10-09T14:22:38Z",
      "to": 32.64
    },
    {
      "from": 42.08,
      "id": "17017585",
      "name": "matu997",
      "rankFrom": 12,
      "rankTo": 12,
      "t": "2026-10-09T15:52:46Z",
      "to": 42.92
    },
    {
      "from": 14.17,
      "id": "15507730",
      "name": "Jan Disselhoff",
      "rankFrom": 1667,
      "rankTo": 1633,
      "t": "2026-10-09T16:22:51Z",
      "to": 18.33
    },
    {
      "from": 36.94,
      "id": "15487968",
      "name": "Jack Cole",
      "rankFrom": 19,
      "rankTo": 15,
      "t": "2026-10-09T16:52:59Z",
      "to": 38.61
    },
    {
      "from": 30.97,
      "id": "17033964",
      "name": "XianingY",
      "rankFrom": 587,
      "rankTo": 172,
      "t": "2026-10-09T17:23:09Z",
      "to": 32.22
    },
    {
      "from": 29.31,
      "id": "17034230",
      "name": "Xu Lejia",
      "rankFrom": 1198,
      "rankTo": 432,
      "t": "2026-10-09T17:23:09Z",
      "to": 31.39
    },
    {
      "from": 44.31,
      "id": "16893334",
      "name": "Anil Thomas",
      "rankFrom": 11,
      "rankTo": 11,
      "t": "2026-10-09T18:23:22Z",
      "to": 45.14
    },
    {
      "from": 27.64,
      "id": "17039035",
      "name": "Zhuo Tan",
      "rankFrom": 1501,
      "rankTo": 433,
      "t": "2026-10-09T20:53:45Z",
      "to": 31.39
    },
    {
      "from": 31.81,
      "id": "16598993",
      "name": "Zhuo Li",
      "rankFrom": 223,
      "rankTo": 173,
      "t": "2026-10-09T21:23:47Z",
      "to": 32.22
    }
  ],
  "latestAt": "2026-10-09T21:53:50Z",
  "observations": {
    "15486728": {
      "members": [
        "mithilavakde"
      ],
      "name": "Mithil A Vakde",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15486939": {
      "members": [
        "cpmpml",
        "darraghdog"
      ],
      "name": "nvbanana",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15487968": {
      "members": [
        "jcole75"
      ],
      "name": "Jack Cole",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15501171": {
      "members": [
        "threerabbits"
      ],
      "name": "Yi-Chia Chen",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15507730": {
      "members": [
        "insanitycheck"
      ],
      "name": "Jan Disselhoff",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15526034": {
      "members": [
        "dzjiann",
        "keithtyser",
        "mitubant",
        "ngyzly"
      ],
      "name": "ARC Raiders",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15605185": {
      "members": [
        "sonphamorg"
      ],
      "name": "Son Pham",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15648732": {
      "members": [
        "khahuras",
        "sethmoudry"
      ],
      "name": "Khaotic Sethesis",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "15789060": {
      "members": [
        "cookizesong",
        "xiezejian",
        "yuhuake240506"
      ],
      "name": "rabbithole",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16373916": {
      "members": [
        "majkel1337"
      ],
      "name": "Majkel1337",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16461211": {
      "members": [
        "dawkopi"
      ],
      "name": "Dawid Kopiczko",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16598993": {
      "members": [
        "ctfxiao"
      ],
      "name": "Zhuo Li",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16671221": {
      "members": [
        "albertruehlman"
      ],
      "name": "ALbert RUehlman",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16756524": {
      "members": [
        "driessmit1",
        "jeroencottaar",
        "pressman1",
        "stefano1283"
      ],
      "name": "Tufa Labs",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16768245": {
      "members": [
        "deepdreamer"
      ],
      "name": "_hans",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "16904634": {
      "members": [
        "rainmaker29"
      ],
      "name": "Amaan",
      "observedAt": "2026-10-09T21:53:50Z"
    },
    "17023174": {
      "members": [
        "markbarney"
      ],
      "name": "Mark Barney",
      "observedAt": "2026-10-09T21:53:50Z"
    }
  },
  "people": [
    {
      "id": "yi-chia-chen",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "threerabbits",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "15501171",
          "teamName": "Yi-Chia Chen"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "threerabbits",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15499660",
          "teamName": "Yi-Chia Chen"
        }
      ],
      "name": "Yi-Chia Chen",
      "sources": [
        {
          "sourceId": "person-yi-chia-chen-identity-0",
          "text": "Verified kaggle account: threerabbits"
        },
        {
          "sourceId": "person-yi-chia-chen-fact-0",
          "text": "Yi-Chia Chen’s Kaggle profile lists her as a Competitions Master and a double-degree student at National Taiwan University and Waseda University."
        },
        {
          "sourceId": "person-yi-chia-chen-fact-1",
          "text": "Yi-Chia Chen authored a Kaggle write-up for a third-place solution in Eedi — Mining Misconceptions in Mathematics."
        },
        {
          "sourceId": "person-yi-chia-chen-fact-2",
          "text": "Yi-Chia Chen’s public Kaggle account is threerabbits. The profile lists she/her pronouns and displays an avatar of two rabbits."
        },
        {
          "sourceId": "person-yi-chia-chen-roster-0",
          "text": "threerabbits observed in Yi-Chia Chen (arc-prize-2026-arc-agi-2, team 15501171) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-yi-chia-chen-roster-1",
          "text": "threerabbits observed in Yi-Chia Chen (arc-prize-2026-arc-agi-3, team 15499660) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "15501171"
      ]
    },
    {
      "id": "jean-francois-puget",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "cpmpml",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "15486939",
          "teamName": "nvbanana"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "cpmpml",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15770880",
          "teamName": "NVARC3"
        }
      ],
      "name": "Jean-François Puget (CPMP)",
      "sources": [
        {
          "sourceId": "person-jean-francois-puget-identity-0",
          "text": "Verified kaggle account: cpmpml"
        },
        {
          "sourceId": "person-jean-francois-puget-identity-1",
          "text": "Verified x account: JFPuget"
        },
        {
          "sourceId": "person-jean-francois-puget-fact-0",
          "text": "Jean-François Puget’s public GitHub profile identifies him as CPMP and links directly to the Kaggle account cpmpml."
        },
        {
          "sourceId": "person-jean-francois-puget-fact-1",
          "text": "NVIDIA’s author biography describes Jean-Francois Puget as a director and individual contributor whose team advances agentic AI and showcases NVIDIA tools and expertise in Kaggle competitions."
        },
        {
          "sourceId": "person-jean-francois-puget-archive-0",
          "text": "ARC Prize 2025 champion · NVARC"
        },
        {
          "sourceId": "person-jean-francois-puget-archive-1",
          "text": "ARC Prize 2024 paper award runner-up · A 2D nGPT Model for ARC Prize"
        },
        {
          "sourceId": "person-jean-francois-puget-roster-0",
          "text": "cpmpml observed in nvbanana (arc-prize-2026-arc-agi-2, team 15486939) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-jean-francois-puget-roster-1",
          "text": "cpmpml observed in NVARC3 (arc-prize-2026-arc-agi-3, team 15770880) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "15486939"
      ]
    },
    {
      "id": "jack-cole",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "jcole75",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "15487968",
          "teamName": "Jack Cole"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "jcole75",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15490570",
          "teamName": "Abstraction Lab & MindsAI"
        }
      ],
      "name": "Jack Cole",
      "sources": [
        {
          "sourceId": "person-jack-cole-identity-0",
          "text": "Verified kaggle account: jcole75"
        },
        {
          "sourceId": "person-jack-cole-identity-1",
          "text": "Verified x account: MindsAI_Jack"
        },
        {
          "sourceId": "person-jack-cole-fact-0",
          "text": "ARC Prize credits Jack Cole as adviser and reviewer for StochasticGoose @ Tufa Labs, the first-place agent in the 2025 ARC-AGI-3 Preview competition, whose lead developer was Dries Smit."
        },
        {
          "sourceId": "person-jack-cole-fact-1",
          "text": "ARC Prize’s 2025 results list “Don’t throw the baby out with the bathwater: How and why deep learning for ARC” by J. Cole and M. Osman among the paper award honorable mentions."
        },
        {
          "sourceId": "person-jack-cole-archive-0",
          "text": "ARC Prize 2025 third place · MindsAI & Tufa Labs"
        },
        {
          "sourceId": "person-jack-cole-archive-1",
          "text": "ARC Prize 2024 · MindsAI top score, not prize-eligible"
        },
        {
          "sourceId": "person-jack-cole-roster-0",
          "text": "jcole75 observed in Jack Cole (arc-prize-2026-arc-agi-2, team 15487968) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-jack-cole-roster-1",
          "text": "jcole75 observed in Abstraction Lab & MindsAI (arc-prize-2026-arc-agi-3, team 15490570) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "15487968"
      ]
    },
    {
      "id": "mithil-a-vakde",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "mithilavakde",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "15486728",
          "teamName": "Mithil A Vakde"
        }
      ],
      "name": "Mithil A Vakde",
      "sources": [
        {
          "sourceId": "person-mithil-a-vakde-identity-0",
          "text": "Verified kaggle account: mithilavakde"
        },
        {
          "sourceId": "person-mithil-a-vakde-fact-0",
          "text": "The Kaggle account mithilavakde publishes a model called mdlARC under the displayed name Mithil A Vakde."
        },
        {
          "sourceId": "person-mithil-a-vakde-roster-0",
          "text": "mithilavakde observed in Mithil A Vakde (arc-prize-2026-arc-agi-2, team 15486728) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        }
      ],
      "teamIds": [
        "15486728"
      ]
    },
    {
      "id": "keith-tyser",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "keithtyser",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "15526034",
          "teamName": "ARC Raiders"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "keithtyser",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15508513",
          "teamName": "keithtyser"
        }
      ],
      "name": "Keith Tyser",
      "sources": [
        {
          "sourceId": "person-keith-tyser-identity-0",
          "text": "Verified kaggle account: keithtyser"
        },
        {
          "sourceId": "person-keith-tyser-identity-1",
          "text": "Verified x account: keithtyser"
        },
        {
          "sourceId": "person-keith-tyser-fact-0",
          "text": "Keith Tyser describes his work as AI/ML engineering and data science on his professional website."
        },
        {
          "sourceId": "person-keith-tyser-roster-0",
          "text": "keithtyser observed in ARC Raiders (arc-prize-2026-arc-agi-2, team 15526034) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-keith-tyser-roster-1",
          "text": "keithtyser observed in keithtyser (arc-prize-2026-arc-agi-3, team 15508513) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "15526034"
      ]
    },
    {
      "id": "dries-smit",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "driessmit1",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "16756524",
          "teamName": "Tufa Labs"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "driessmit1",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15486995",
          "teamName": "Tufa Labs"
        }
      ],
      "name": "Dries Smit",
      "sources": [
        {
          "sourceId": "person-dries-smit-identity-0",
          "text": "Verified kaggle account: driessmit1"
        },
        {
          "sourceId": "person-dries-smit-fact-0",
          "text": "Tufa Labs lists Dries Smit as an AI researcher working on reinforcement learning, multi-agent systems and large language models."
        },
        {
          "sourceId": "person-dries-smit-fact-1",
          "text": "ARC Prize lists Dries Smit as lead developer of StochasticGoose @ Tufa Labs, which won the 2025 ARC-AGI-3 Preview competition."
        },
        {
          "sourceId": "person-dries-smit-archive-0",
          "text": "ARC-AGI-3 Preview 2025 winner · StochasticGoose @ Tufa Labs"
        },
        {
          "sourceId": "person-dries-smit-archive-1",
          "text": "ARC Prize 2025 third place · MindsAI & Tufa Labs"
        },
        {
          "sourceId": "person-dries-smit-roster-0",
          "text": "driessmit1 observed in Tufa Labs (arc-prize-2026-arc-agi-2, team 16756524) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-dries-smit-roster-1",
          "text": "driessmit1 observed in Tufa Labs (arc-prize-2026-arc-agi-3, team 15486995) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "16756524"
      ]
    },
    {
      "id": "jeroen-cottaar",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "jeroencottaar",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "16756524",
          "teamName": "Tufa Labs"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "jeroencottaar",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15486995",
          "teamName": "Tufa Labs"
        }
      ],
      "name": "Jeroen Cottaar",
      "sources": [
        {
          "sourceId": "person-jeroen-cottaar-identity-0",
          "text": "Verified kaggle account: jeroencottaar"
        },
        {
          "sourceId": "person-jeroen-cottaar-fact-0",
          "text": "Tufa Labs lists Jeroen Cottaar as an AI researcher, with research interests including Bayesian inference and program synthesis."
        },
        {
          "sourceId": "person-jeroen-cottaar-roster-0",
          "text": "jeroencottaar observed in Tufa Labs (arc-prize-2026-arc-agi-2, team 16756524) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-jeroen-cottaar-roster-1",
          "text": "jeroencottaar observed in Tufa Labs (arc-prize-2026-arc-agi-3, team 15486995) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "16756524"
      ]
    },
    {
      "id": "jan-disselhoff",
      "memberships": [
        {
          "competition": "arc-2",
          "competitionId": "arc-prize-2026-arc-agi-2",
          "firstObservedAt": "2026-10-09T18:53:30Z",
          "lastObservedAt": "2026-10-09T18:53:30Z",
          "memberHandle": "insanitycheck",
          "season": "2026",
          "sourceTitle": "ARC-2 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-2/board",
          "teamId": "15507730",
          "teamName": "Jan Disselhoff"
        },
        {
          "competition": "arc-3",
          "competitionId": "arc-prize-2026-arc-agi-3",
          "firstObservedAt": "2026-10-09T18:53:27Z",
          "lastObservedAt": "2026-10-09T18:53:27Z",
          "memberHandle": "insanitycheck",
          "season": "2026",
          "sourceTitle": "ARC-3 public roster observation",
          "sourceUrl": "https://arc.markbarney.net/api/kaggle/arc-prize-2026-arc-agi-3/board",
          "teamId": "15501006",
          "teamName": "Jan Disselhoff"
        }
      ],
      "name": "Jan Disselhoff",
      "sources": [
        {
          "sourceId": "person-jan-disselhoff-identity-0",
          "text": "Verified kaggle account: insanitycheck"
        },
        {
          "sourceId": "person-jan-disselhoff-fact-0",
          "text": "The ARChitects’ own 2025 solution write-up credits Jan Disselhoff under the Kaggle handle insanitycheck, alongside David Hartmann (dvhrtm) and Daniel Franzen (dfranzen)."
        },
        {
          "sourceId": "person-jan-disselhoff-fact-1",
          "text": "The team’s 2025 technical report lists Jan Disselhoff at Johannes Gutenberg University Mainz."
        },
        {
          "sourceId": "person-jan-disselhoff-archive-0",
          "text": "ARC Prize 2025 runner-up · the ARChitects"
        },
        {
          "sourceId": "person-jan-disselhoff-archive-1",
          "text": "ARC Prize 2024 champion · the ARChitects"
        },
        {
          "sourceId": "person-jan-disselhoff-roster-0",
          "text": "insanitycheck observed in Jan Disselhoff (arc-prize-2026-arc-agi-2, team 15507730) between 2026-10-09T18:53:30Z and 2026-10-09T18:53:30Z."
        },
        {
          "sourceId": "person-jan-disselhoff-roster-1",
          "text": "insanitycheck observed in Jan Disselhoff (arc-prize-2026-arc-agi-3, team 15501006) between 2026-10-09T18:53:27Z and 2026-10-09T18:53:27Z."
        }
      ],
      "teamIds": [
        "15507730"
      ]
    },
    {
      "id": "francois-chollet",
      "memberships": [],
      "name": "François Chollet",
      "sources": [
        {
          "sourceId": "person-francois-chollet-identity-0",
          "text": "Verified x account: fchollet"
        },
        {
          "sourceId": "person-francois-chollet-fact-0",
          "text": "ARC Prize’s official profile identifies François Chollet as a co-founder."
        },
        {
          "sourceId": "person-francois-chollet-archive-0",
          "text": "ARC Prize co-founder"
        }
      ],
      "teamIds": []
    },
    {
      "id": "mike-knoop",
      "memberships": [],
      "name": "Mike Knoop",
      "sources": [
        {
          "sourceId": "person-mike-knoop-identity-0",
          "text": "Verified x account: mikeknoop"
        },
        {
          "sourceId": "person-mike-knoop-fact-0",
          "text": "ARC Prize’s official profile identifies Mike Knoop as a co-founder."
        },
        {
          "sourceId": "person-mike-knoop-archive-0",
          "text": "ARC Prize co-founder"
        }
      ],
      "teamIds": []
    }
  ],
  "socialPosts": [
    {
      "author": "arcprize",
      "authorName": "ARC Prize",
      "category": "standings",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2"
      ],
      "id": "2108578092558250148",
      "identitySourceUrl": "https://arcprize.org",
      "importance": 3,
      "personIds": [],
      "postedAt": "2026-10-09T15:19:27Z",
      "sourceId": "social-2108578092558250148",
      "storyUrl": "https://x.com/arcprize/status/2108578092558250148",
      "summary": "ARC Prize announced a new 2026 ARC-AGI-2 Kaggle high of 88.06% by Tufa Labs and said a $150,000 bonus would be split among teams scoring above 85%.",
      "threadId": "2108578092558250148",
      "url": "https://x.com/arcprize/status/2108578092558250148",
      "visibility": "public",
      "whyItMatters": "A public-board threshold announcement and major standings lead; the post does not establish a final private score."
    },
    {
      "author": "JFPuget",
      "authorName": "Jean-François Puget",
      "category": "community",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2"
      ],
      "id": "2108632255383957945",
      "identitySourceUrl": "https://arc.markbarney.net/api/contributors",
      "importance": 2,
      "personIds": [
        "jean-francois-puget"
      ],
      "postedAt": "2026-10-09T18:54:40Z",
      "sourceId": "social-2108632255383957945",
      "storyUrl": "https://x.com/arcprize/status/2108578092558250148",
      "summary": "Puget asked ARC Prize whether the 85% bonus threshold refers to the public or private leaderboard; no organizer answer was visible in the checked thread.",
      "threadId": "2108578092558250148",
      "url": "https://x.com/JFPuget/status/2108632255383957945",
      "visibility": "public",
      "whyItMatters": "Flags a reporting question; avoid presenting the public score as the final prize result."
    },
    {
      "author": "mikeknoop",
      "authorName": "Mike Knoop",
      "category": "community",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2"
      ],
      "id": "2108584791436321097",
      "identitySourceUrl": "https://x.com/arcprize",
      "importance": 2,
      "personIds": [
        "mike-knoop"
      ],
      "postedAt": "2026-10-09T15:46:04Z",
      "sourceId": "social-2108584791436321097",
      "storyUrl": "https://x.com/arcprize/status/2108578092558250148",
      "summary": "Knoop said the 85% Grand Prize bonus threshold had been reached on Kaggle and called 2026 the final ARC-AGI-2 Kaggle year.",
      "threadId": null,
      "url": "https://x.com/mikeknoop/status/2108584791436321097",
      "visibility": "public",
      "whyItMatters": "Provides organizer context for the Tufa Labs result; his expectation about future open artifacts is not yet a release."
    },
    {
      "author": "fchollet",
      "authorName": "François Chollet",
      "category": "community",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2"
      ],
      "id": "2108579538372612400",
      "identitySourceUrl": "https://x.com/arcprize",
      "importance": 2,
      "personIds": [
        "francois-chollet"
      ],
      "postedAt": "2026-10-09T15:25:12Z",
      "sourceId": "social-2108579538372612400",
      "storyUrl": "https://x.com/arcprize/status/2108578092558250148",
      "summary": "Chollet reacted to ARC Prize’s Tufa Labs ARC-2 announcement by saying Kaggle scores are getting very good.",
      "threadId": null,
      "url": "https://x.com/fchollet/status/2108579538372612400",
      "visibility": "public",
      "whyItMatters": "A founder reaction adds a measured voice to the organizer’s score announcement."
    },
    {
      "author": "arcprize",
      "authorName": "ARC Prize",
      "category": "community",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2",
        "arc-3"
      ],
      "id": "2108575462695817315",
      "identitySourceUrl": "https://arcprize.org",
      "importance": 2,
      "personIds": [],
      "postedAt": "2026-10-09T15:09:00Z",
      "sourceId": "social-2108575462695817315",
      "storyUrl": "https://arcprize.org/events/research-summit-2026",
      "summary": "ARC Prize announced Stephen Wolfram as a keynote speaker for its 2026 Research Summit.",
      "threadId": "2108575462695817315",
      "url": "https://x.com/arcprize/status/2108575462695817315",
      "visibility": "public",
      "whyItMatters": "A current event-program lead for the meeting digest."
    },
    {
      "author": "arcprize",
      "authorName": "ARC Prize",
      "category": "research",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2",
        "arc-3"
      ],
      "id": "2107511511782420924",
      "identitySourceUrl": "https://arcprize.org",
      "importance": 2,
      "personIds": [],
      "postedAt": "2026-10-06T16:41:14Z",
      "sourceId": "social-2107511511782420924",
      "storyUrl": null,
      "summary": "ARC Prize published verified Grok 4.7 scores: 1.8% on ARC-AGI-3 with its standard harness, 10.0% with a provider adapter, and 61.4% on ARC-AGI-2.",
      "threadId": "2107511511782420924",
      "url": "https://x.com/arcprize/status/2107511511782420924",
      "visibility": "public",
      "whyItMatters": "The harness distinction matters when comparing model scores; the post reports organizer verification."
    },
    {
      "author": "arcprize",
      "authorName": "ARC Prize",
      "category": "research",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2"
      ],
      "id": "2107491194007585239",
      "identitySourceUrl": "https://arcprize.org",
      "importance": 2,
      "personIds": [],
      "postedAt": "2026-10-06T15:20:30Z",
      "sourceId": "social-2107491194007585239",
      "storyUrl": null,
      "summary": "ARC Prize published verified DeepSeek V4.1 Flash scores of 72.9% on ARC-AGI-2 and 94.5% on ARC-AGI-1, with stated per-task costs.",
      "threadId": "2107491194007585239",
      "url": "https://x.com/arcprize/status/2107491194007585239",
      "visibility": "public",
      "whyItMatters": "A dated organizer model verification relevant to ARC-2 comparisons."
    },
    {
      "author": "MindsAI_Jack",
      "authorName": "Jack Cole",
      "category": "community",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2"
      ],
      "id": "2108605814181363917",
      "identitySourceUrl": "https://www.kaggle.com/jcole75",
      "importance": 1,
      "personIds": [
        "jack-cole"
      ],
      "postedAt": "2026-10-09T17:09:36Z",
      "sourceId": "social-2108605814181363917",
      "storyUrl": "https://x.com/arcprize/status/2108578092558250148",
      "summary": "Cole congratulated Tufa Labs on the ARC-2 result, calling it a momentous achievement.",
      "threadId": null,
      "url": "https://x.com/MindsAI_Jack/status/2108605814181363917",
      "visibility": "public",
      "whyItMatters": "A named competitor’s respectful reaction adds color without implying rivalry or shared methods."
    },
    {
      "author": "GregKamradt",
      "authorName": "Greg Kamradt",
      "category": "community",
      "checkedAt": "2026-10-09T21:09:33Z",
      "competitions": [
        "arc-2",
        "arc-3"
      ],
      "id": "2108576380397162576",
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      "postedAt": "2026-10-09T15:12:39Z",
      "sourceId": "social-2108576380397162576",
      "storyUrl": "https://arcprize.org/events/research-summit-2026",
      "summary": "Kamradt said he was excited Wolfram would join the ARC Prize Summit in two weeks, quoting the organizer’s announcement.",
      "threadId": null,
      "url": "https://x.com/GregKamradt/status/2108576380397162576",
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      "whyItMatters": "Confirms the organizer’s program announcement from the ARC Prize president."
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