{
  "company": {
    "name": "NUCLIDIUM AG",
    "website": "https://nuclidium.com/",
    "record": "https://startuphistory.org/c/nuclidium.com"
  },
  "status": null,
  "history_since": "2021-12-19T23:48:49.000Z",
  "baseline": {
    "snapshot_id": "500573ba68731755b8d0f48badec5f5f677d50f89bffc33e3b15b1186f783dc2",
    "observed_at": "2021-12-19T23:48:49.000Z",
    "headline": "This website is under construction",
    "description": null,
    "evidence": "https://web.archive.org/web/20211219234849/http://nuclidium.com/",
    "evidence_kind": "internet_archive",
    "facts": null,
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-06T17:51:04.010Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2021-12-19T23:48:49.000Z",
      "variants": [
        {
          "headline": "This website is under construction",
          "subhead": null,
          "observed_at": "2021-12-19T23:48:49.000Z",
          "evidence": "https://web.archive.org/web/20211219234849/http://nuclidium.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "This website is under construction",
      "subhead": null,
      "from": "2021-12-19T23:48:49.000Z",
      "to": "2021-12-19T23:48:49.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20211219234849/http://nuclidium.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2021-12-19T23:48:49.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2023-01-29T10:02:42.000Z",
      "variants": [
        {
          "headline": "Nuclidium – Novel diagnostic PET tracers",
          "subhead": null,
          "observed_at": "2023-01-29T10:02:42.000Z",
          "evidence": "https://web.archive.org/web/20230129100242/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Nuclidium – Novel diagnostic PET tracers",
      "subhead": null,
      "from": "2023-01-29T10:02:42.000Z",
      "to": "2023-01-29T10:02:42.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20230129100242/https://nuclidium.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2023-01-29T10:02:42.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-06T17:51:04.010Z",
      "variants": [
        {
          "headline": "Nuclidium – Best-in-class Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2023-08-31T18:39:47.000Z",
          "evidence": "https://web.archive.org/web/20230831183947/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Nuclidium – Best-in-class Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2024-07-06T11:15:11.000Z",
          "evidence": "https://web.archive.org/web/20240706111511/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Nuclidium – Best-in-class Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2025-01-05T13:16:32.000Z",
          "evidence": "https://web.archive.org/web/20250105131632/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Nuclidium – Best-in-class Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2025-07-03T10:48:32.000Z",
          "evidence": "https://web.archive.org/web/20250703104832/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Nuclidium – Next-generation Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2026-01-13T15:32:31.000Z",
          "evidence": "https://web.archive.org/web/20260113153231/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Nuclidium – Next-generation Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2026-07-13T22:17:43.000Z",
          "evidence": "https://web.archive.org/web/20260713221743/https://nuclidium.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Nuclidium – Next-generation Copper Radiotheranostics",
          "subhead": null,
          "observed_at": "2026-11-06T17:51:04.010Z",
          "evidence": "https://nuclidium.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "Nuclidium – Next-generation Copper Radiotheranostics",
      "subhead": null,
      "from": "2023-08-31T18:39:47.000Z",
      "to": "2026-11-06T17:51:04.010Z",
      "captures": 7,
      "evidence": "https://nuclidium.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "between": {
          "from": "2023-08-31T18:39:47.000Z",
          "to": "2026-11-06T17:51:04.010Z"
        }
      },
      "current": true
    }
  ],
  "changes": [
    {
      "n": 1,
      "id": "page-00fa921bd42bba139847e3c0d134f31a336d59ee1f20718781ce8a993a8a81ef:8221d99efea0217ac273bf7b6091be6b8de6a73385ddf6bf451e2797ed4d574b:headline:78c3df5bf6c70193",
      "before_evidence": "https://web.archive.org/web/20230129100242/https://nuclidium.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Nuclidium – Novel diagnostic PET tracers” to “Nuclidium – Best-in-class Copper Radiotheranostics”.",
      "between": {
        "from": "2023-01-29T10:02:42.000Z",
        "to": "2023-08-31T18:39:47.000Z"
      },
      "evidence": "https://web.archive.org/web/20230831183947/https://nuclidium.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    }
  ],
  "update": {
    "headline": "Nuclidium updates homepage headline on copper radiotheranostics",
    "summary": "Nuclidium changed its homepage headline focus from PET tracers to copper radiotheranostics. This suggests a shift in how the company presents its core offering.",
    "points": [
      {
        "text": "Between January 2023 and August 2023, Nuclidium changed its homepage headline from “Nuclidium – Novel diagnostic PET tracers” to “Nuclidium – Best-in-class Copper Radiotheranostics”.",
        "kind": "fact",
        "changes": [
          1
        ]
      },
      {
        "text": "The change in homepage headline between January 2023 and August 2023 suggests Nuclidium may be emphasizing copper radiotheranostics as its primary positioning rather than general diagnostic PET tracers.",
        "kind": "interpretation",
        "changes": [
          1
        ]
      }
    ],
    "written_at": "2026-11-07T15:17:47.109Z",
    "basis": "ai_analysis",
    "model": "gpt-5.1-2025-11-13"
  },
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “NUCLIDIUM AG” company record, https://startuphistory.org/c/nuclidium.com"
}