{
  "company": {
    "name": "CalcTree",
    "website": "https://calctree.com/",
    "record": "https://startuphistory.org/c/calctree.com"
  },
  "status": null,
  "history_since": "2025-10-19T13:01:18.000Z",
  "baseline": {
    "snapshot_id": "318a0f97233e4deda7a5e8113f64f696fe83aab04989546f7270332d46b76261",
    "observed_at": "2025-10-19T13:01:18.000Z",
    "headline": "Work at light speed on engineering design and calculations",
    "description": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
    "evidence": "https://web.archive.org/web/20251019130118/https://www.calctree.com/",
    "evidence_kind": "internet_archive",
    "facts": null,
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-05T12:16:48.315Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2026-04-28T05:32:31.000Z",
      "variants": [
        {
          "headline": "Work at light speed on engineering design and calculations",
          "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
          "observed_at": "2025-10-19T13:01:18.000Z",
          "evidence": "https://web.archive.org/web/20251019130118/https://www.calctree.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Work at light speed on engineering design and calculations",
          "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
          "observed_at": "2026-04-28T05:32:31.000Z",
          "evidence": "https://web.archive.org/web/20260428053231/https://www.calctree.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Work at light speed on engineering design and calculations",
      "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
      "from": "2025-10-19T13:01:18.000Z",
      "to": "2026-04-28T05:32:31.000Z",
      "captures": 2,
      "evidence": "https://web.archive.org/web/20260428053231/https://www.calctree.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
          "from": "2025-10-19T13:01:18.000Z",
          "to": "2026-04-28T05:32:31.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-05T12:16:48.315Z",
      "variants": [
        {
          "headline": "Build, run and review engineering calculations with AI",
          "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
          "observed_at": "2026-07-11T14:26:23.000Z",
          "evidence": "https://web.archive.org/web/20260711142623/https://www.calctree.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Build, run and review engineering calculations with AI",
          "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
          "observed_at": "2026-10-13T09:08:04.000Z",
          "evidence": "https://web.archive.org/web/20261013090804/https://www.calctree.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Build, run and review engineering calculations with AI",
          "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
          "observed_at": "2026-11-05T12:16:48.315Z",
          "evidence": "https://www.calctree.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "Build, run and review engineering calculations with AI",
      "subhead": "Build and share engineering creations faster and smarter with unmatched accuracy using CalcTree’s engineering calculation software.",
      "from": "2026-07-11T14:26:23.000Z",
      "to": "2026-11-05T12:16:48.315Z",
      "captures": 3,
      "evidence": "https://www.calctree.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "between": {
          "from": "2026-07-11T14:26:23.000Z",
          "to": "2026-11-05T12:16:48.315Z"
        }
      },
      "current": true
    }
  ],
  "changes": [
    {
      "n": 1,
      "id": "classifier-b150fdf1975a4e90f86e6d6c4f0a99d5dc94ce8c75bbae21c6de5b4b15ff1021:0c3c30ab15d79ac46d870d2470fa7896c890bd2fa5198120751c550b080dc163:repositioning",
      "before_evidence": "https://web.archive.org/web/20260428053231/https://www.calctree.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "repositioning",
      "label": "Messaging",
      "summary": "Changed its homepage headline from “Work at light speed on engineering design and calculations” to “Build, run and review engineering calculations with AI”.",
      "between": {
        "from": "2026-04-28T05:32:31.000Z",
        "to": "2026-07-11T14:26:23.000Z"
      },
      "evidence": "https://web.archive.org/web/20260711142623/https://www.calctree.com/",
      "evidence_kind": "internet_archive",
      "basis": "classifier",
      "topic": "https://startuphistory.org/t/repositioned"
    }
  ],
  "update": {
    "headline": "CalcTree updates homepage to emphasize AI in engineering calculations",
    "summary": "CalcTree now highlights AI for building, running and reviewing engineering calculations, replacing earlier messaging about working at light speed on engineering design and calculations.",
    "points": [
      {
        "text": "Between April 2026 and July 2026, CalcTree changed its homepage headline from “Work at light speed on engineering design and calculations” to “Build, run and review engineering calculations with AI”.",
        "kind": "fact",
        "changes": [
          1
        ]
      },
      {
        "text": "Between April 2026 and July 2026, this change suggests CalcTree may be placing more emphasis on AI capabilities in its engineering calculation offering.",
        "kind": "interpretation",
        "changes": [
          1
        ]
      }
    ],
    "written_at": "2026-11-07T20:33:14.249Z",
    "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, “CalcTree” company record, https://startuphistory.org/c/calctree.com"
}