{
  "slug": "off-the-map",
  "title": "Off the Map: Robots Are Learning to Work Where the Roads, GPS and Operators Run Out",
  "url": "https://emberandoakinstitute.com/blog/off-the-map.html",
  "date": "2026-10-26",
  "category": "AI news",
  "tags": [
    "artificial intelligence",
    "robotics",
    "drones",
    "autonomous construction",
    "GPS-denied navigation",
    "skilled trades",
    "AI coding",
    "AI news"
  ],
  "summary": "Purdue's IDEAS Lab showed a drone tracking a runner through an unmapped, GPS-denied forest (a research demo built on HKU's open-source SUPER/FAST-LIO tools; viral reposts added search-and-rescue and LiDAR claims the original post didn't make); Bedrock Robotics raised a $600M Series C at a $4.1B valuation after its retrofitted excavators began fully autonomous paid work on live U.S. job sites amid a construction skilled-labor shortage; Xiangpeng Hao's bbtree shows a human steering design while LLMs write all the code, with heavy testing for correctness.",
  "images": {
    "hero": {
      "url": "https://emberandoakinstitute.com/blog/off-the-map/hero.jpg",
      "alt": "Painted storybook scene on an autumn birch forest trail in the Mat-Su Valley with mountains behind: a father and his daughter watch a small, friendly drone weave between the trees, while a small yellow excavator works at a clearing in the distance."
    },
    "charts": [
      {
        "url": "https://emberandoakinstitute.com/blog/off-the-map/chart-bedrock-funding.png",
        "alt": "Bar chart of Bedrock Robotics’ funding rounds: $80 million in seed and Series A funding in July 2025, a $270 million Series B in February 2026 at a $1.75 billion valuation, and a $600 million Series C in October 2026 at a $4.1 billion post-money valuation. A dotted line marks mid-August 2026, when the company says its first fully autonomous excavators began doing paid work on live job sites.",
        "source": [
          "https://www.prnewswire.com/news-releases/bedrock-robotics-raises-270-million-in-series-b-funding-to-accelerate-the-future-of-autonomous-construction-302679014.html",
          "https://www.globenewswire.com/news-release/2026/10/26/3388197/0/en/bedrock-robotics-raises-600-million-series-c-to-scale-autonomous-construction-equipment-across-u-s-sites.html"
        ]
      },
      {
        "url": "https://emberandoakinstitute.com/blog/off-the-map/chart-construction-labor.png",
        "alt": "Horizontal bar chart from the 2026 AGC and NCCER Workforce Survey of 1,830 respondents: 87% of construction firms have openings for hourly craft positions; among firms with craft openings, 88% say they are as hard or harder to fill than a year ago and 50% say they are harder; 50% say available candidates lack needed skills, certificates or licenses; and 42% say worker shortages delayed projects.",
        "source": [
          "https://www.agc.org/sites/default/files/users/user21902/2026%20Workforce%20Survey%20National%20Release%20(5).pdf"
        ]
      }
    ]
  },
  "key_facts": [
    {
      "fact": "Purdue associate professor Aniket Bera posted a 44-second video on LinkedIn on Oct. 23, 2026, of an IDEAS Lab drone following a person through a forest with no GPS and no prior map; his post calls the setting 'an unmapped, GPS-denied forest' and stresses onboard (not cloud) computing.",
      "sources": [
        "https://www.linkedin.com/posts/abera_purdue-embodiedai-edgeai-activity-7519549258547560448-BP_6",
        "https://dronexl.co/2026/10/26/purdue-forest-drone-from-scratch-hong-kong-open-source/"
      ]
    },
    {
      "fact": "Bera replied that a prediction module estimates the person's path when they disappear behind trees or tracking gets noisy.",
      "sources": [
        "https://dronexl.co/2026/10/26/purdue-forest-drone-from-scratch-hong-kong-open-source/"
      ]
    },
    {
      "fact": "Two X reposts of the clip passed 1.7 million combined views by Oct. 26; an English rewrite (1M+ views) promised 'massive implications for next-gen search & rescue,' which Bera's post does not mention; a Japanese repost (~780K views) noted it was a research demo. Bera's post lists visual-inertial odometry, but Purdue grad student Kevin Biju Mathew said in comments localization uses LiDAR-inertial odometry, consistent with the FAST-LIO label.",
      "sources": [
        "https://dronexl.co/2026/10/26/purdue-forest-drone-from-scratch-hong-kong-open-source/",
        "https://www.linkedin.com/posts/abera_purdue-embodiedai-edgeai-activity-7519549258547560448-BP_6"
      ]
    },
    {
      "fact": "Per DroneXL's frame-by-frame read, the drone topped out near 3 m/s (about 7 mph), about 2 m off the ground and 5-10 m behind the person; no paper on the forest demo was published as of Oct. 26.",
      "sources": [
        "https://dronexl.co/2026/10/26/purdue-forest-drone-from-scratch-hong-kong-open-source/"
      ]
    },
    {
      "fact": "Purdue announced Nov. 26, 2025, a five-year, $1.5 million DEVCOM Army Research Laboratory cooperative agreement for Bera's lab to develop air-ground robots that map and navigate without GPS; Bera's post does not say what funded the forest flights.",
      "sources": [
        "https://www.cs.purdue.edu/news/articles/2025/ideas-lab-awarded-5-year-defense-grant-to-advance-ai-controlled-airground-robotic-collaboration.html",
        "https://dronexl.co/2026/10/26/purdue-forest-drone-from-scratch-hong-kong-open-source/"
      ]
    },
    {
      "fact": "The video's telemetry labels name SUPER (planner) and FAST-LIO (altitude estimate), open-source packages from Fu Zhang's MaRS Lab at the University of Hong Kong; Bera's post says the lab 'developed every layer of this autonomous drone from scratch' and does not mention HKU.",
      "sources": [
        "https://dronexl.co/2026/10/26/purdue-forest-drone-from-scratch-hong-kong-open-source/",
        "https://github.com/hku-mars/SUPER"
      ]
    },
    {
      "fact": "HKU's SUPER (Science Robotics, Jan. 29, 2025): compact LiDAR drone, 280 mm wheelbase, autonomous flight over 20 m/s in unknown environments, failure rates cut 35.9 times vs baselines; abstract cites search and rescue and disaster relief as applications.",
      "sources": [
        "https://mech.hku.hk/safety-assured-high-speed-navigation-for-mavs-a-paper-in-science-robotics/",
        "https://www.science.org/doi/10.1126/scirobotics.ado6187"
      ]
    },
    {
      "fact": "Bedrock Robotics announced Oct. 26, 2026, a $600 million Series C at a $4.1 billion post-money valuation, co-led by CapitalG and Emergence Capital; total funding nearly $1 billion.",
      "sources": [
        "https://www.globenewswire.com/news-release/2026/10/26/3388197/0/en/bedrock-robotics-raises-600-million-series-c-to-scale-autonomous-construction-equipment-across-u-s-sites.html",
        "https://www.emcap.com/thoughts/built-on-bedrock-doubling-down-on-the-autonomy-platform-for-heavy-construction"
      ]
    },
    {
      "fact": "Bedrock's prior rounds: $80 million seed + Series A (emerged from stealth July 2025) and $270 million Series B at a $1.75 billion valuation (Feb. 4, 2026).",
      "sources": [
        "https://www.prnewswire.com/news-releases/bedrock-robotics-raises-270-million-in-series-b-funding-to-accelerate-the-future-of-autonomous-construction-302679014.html"
      ]
    },
    {
      "fact": "Bedrock was founded in 2024, is based in San Francisco and is led by former Waymo engineers; it retrofits existing excavators with a same-day, non-permanent sensor and compute installation.",
      "sources": [
        "https://www.globenewswire.com/news-release/2026/10/26/3388197/0/en/bedrock-robotics-raises-600-million-series-c-to-scale-autonomous-construction-equipment-across-u-s-sites.html",
        "https://www.globenewswire.com/news-release/2026/08/17/3346247/0/en/bedrock-robotics-launches-first-fully-autonomous-excavator-deployments-on-critical-u-s-infrastructure-projects.html"
      ]
    },
    {
      "fact": "In mid-August 2026 Bedrock's excavators began fully autonomous paid work on live sites, including a Nevada water treatment facility with Sundt Construction and a 1.2 million-cubic-yard sitework project with Zachry Construction Corporation; a site manager sets the initial plan and the machine stops automatically if a person or unauthorized object gets too close.",
      "sources": [
        "https://www.globenewswire.com/news-release/2026/08/17/3346247/0/en/bedrock-robotics-launches-first-fully-autonomous-excavator-deployments-on-critical-u-s-infrastructure-projects.html",
        "https://www.globenewswire.com/news-release/2026/10/26/3388197/0/en/bedrock-robotics-raises-600-million-series-c-to-scale-autonomous-construction-equipment-across-u-s-sites.html"
      ]
    },
    {
      "fact": "New partner Haydon will use Bedrock's system for fully autonomous earthwork on a remote site in Texas; new customers expand into Minnesota, Florida, Virginia, Colorado, Missouri, Georgia and Arkansas.",
      "sources": [
        "https://www.globenewswire.com/news-release/2026/10/26/3388197/0/en/bedrock-robotics-raises-600-million-series-c-to-scale-autonomous-construction-equipment-across-u-s-sites.html"
      ]
    },
    {
      "fact": "Sundt project manager Dan Green: the challenge is keeping experienced operators engaged through 'months of repetitive earthmoving in remote locations'; automation lets skilled crews focus on 'more specialized and creative problems.'",
      "sources": [
        "https://bedrockrobotics.com/news/building-fully-autonomous-fleets-with-the-crews-who-need-them"
      ]
    },
    {
      "fact": "AGC/NCCER 2026 Workforce Survey (1,830 respondents, July-Aug. 2026): 87% of firms have hourly craft openings; 88% of those say they are as hard or harder to fill than a year ago (50% harder); 50% say candidates lack skills, certificates or licenses; 42% say worker shortages delayed projects.",
      "sources": [
        "https://www.agc.org/sites/default/files/users/user21902/2026%20Workforce%20Survey%20National%20Release%20(5).pdf"
      ]
    },
    {
      "fact": "Xiangpeng Hao released bbtree (Oct. 23, 2026), a Rust B-tree he reports is 5x faster than std's BTreeMap on a single thread (author's benchmarks); 'All of the code is written by LLMs, but Xiangpeng steers every design decision, and is accountable for the code.'",
      "sources": [
        "https://blog.xiangpeng.systems/posts/bbtree/",
        "https://github.com/XiangpengHao/bbtree"
      ]
    },
    {
      "fact": "Hao says speed is easy to hand to LLMs because it is measurable, but correctness is hard; bbtree is checked by differential fuzzing against BTreeMap, Verus proofs and deterministic concurrency testing (Shuttle, ffs); ffs found a race Shuttle missed, now fixed.",
      "sources": [
        "https://blog.xiangpeng.systems/posts/bbtree/"
      ]
    }
  ]
}