Parallel-machine scheduling with machine unavailability to maximize total early work.

Authors: Chen, Ke¹ (AUTHOR), Shi, Xiaoyu² (AUTHOR), Yao, Danli³ (AUTHOR), Cheng, T. C. E.⁴ (AUTHOR), Ji, Min² (AUTHOR) jimkeen@163.com

Source: Journal of the Operational Research Society. Aug2026, Vol. 77 Issue 8, p2330-2340. 11p.

Subject Terms: *Scheduling, *System downtime, *Parallel processing, *Dynamic programming, NP-hard problems, Approximation algorithms, Heuristic algorithms, Time complexity

Spotify Outage: Hundreds of Thousands of Users Report App Is Down.

Authors: Folk, Zachary (AUTHOR)

Source: Forbes.com. 9/29/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, Computer users, Digital music

Is ChatGPT Down? OpenAI Reports 'Elevated Errors'.

Authors: Pequeño IV, Antonio (AUTHOR)

Source: Forbes.com. 9/29/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, ChatGPT, Computer system failures

Company/Entity: OpenAI Inc.

Is ChatGPT Down? Users Reported Widespread AI Chatbot Outages.

Authors: Roeloffs, Mary Whitfill (AUTHOR)

Source: Forbes.com. 9/3/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, ChatGPT

Is GitHub Down? Here's What To Know.

Authors: Murray, Conor (AUTHOR)

Source: Forbes.com. 8/17/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Network failures (Telecommunication), Systems availability

Company/Entity: Github Inc.

Reliability analysis for multi-component systems with self-healing states and unobservable downtime.

Authors: Shen, Jingyuan¹ (AUTHOR), Zheng, Rui² (AUTHOR) Zhengrui_zheng@hfut.edu.cn, Zhu, Xiaozheng¹ (AUTHOR), Ma, Yizhong¹ (AUTHOR)

Source: Quality Technology & Quantitative Management. Jul2026, Vol. 23 Issue 4, p670-690. 21p.

Subject Terms: *Markov processes, *System downtime, *Industrial equipment industry, *Stochastic processes, *Systems theory, Engineering reliability theory, Self-healing materials

HSBC's Hong Kong Mobile Banking App Down in Second Outage.

Authors: Wee, Denise (AUTHOR)

Source: Bloomberg.com. 6/15/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Banking industry, *Financial institutions, *Mobile banking industry, *Consumers, System failures, Hongkongers

Geographic Terms: Hong Kong (China)

Company/Entity: HSBC Holdings PLC HBC

Is Spotify Down? Platform Says Issues Now 'All Clear'.

Authors: Roeloffs, Mary Whitfill (AUTHOR)

Source: Forbes.com. 6/16/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Network failures (Telecommunication), Complaints & complaining, Digital music

AI-enabled predictive scheduling for minimizing downtime in robotic distribution systems.

Authors: Bandyopadhyay, Anupam¹ (AUTHOR) b.anupam23@gmail.com, Gupta, Ashish² (AUTHOR)

Source: International Journal of Advanced Manufacturing Technology. Sep2026, p1-17. 17p.

Subject Terms: *Scheduling, *System downtime, *Boosting algorithms, *Particle swarm optimization, *Automated materials handling, *Random forest algorithms, *Industry 4.0

Optimization of Preventive Replacement of Critical Components in the Komatsu PC2000-8 Excavator to Minimize Downtime at PT XYZ.

Authors: Soleh, Imam Nur¹ imamnur256@gmail.com, Suef, Mokh¹

Source: Eduvest: Journal Of Universal Studies. Aug2026, Vol. 6 Issue 8, p8712-8729. 18p.

Subject Terms: *Plant maintenance, *System downtime, *Mining machinery, *Excavating machinery, *Mathematical optimization, *Engineering reliability theory

Impact of server downtime in different sectors of industry.

Authors: Kaur, Simranjit¹ (AUTHOR) simranjit.badwal@gmail.com, Grover, Varsha¹ (AUTHOR) varsha.j2817@gmail.com, Anjali¹ (AUTHOR) anjali.gupta98ar@gmail.com, Suvidha² (AUTHOR) radhikakalia786@gmail.com

Source: AIP Conference Proceedings. 2026, Vol. 3375 Issue 1, p1-5. 5p.

Subject Terms: *System downtime, *Industrial productivity, *Business revenue, *System failures, *Customer satisfaction, *Reputational risk, *Safety, *Economic impact

Bluesky Outage: Thousands Of Users Said Site Isn't Working.

Authors: Roeloffs, Mary Whitfill (AUTHOR)

Source: Forbes.com. 4/6/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, Social media, Complaints & complaining

Is Facebook Down? What We Know After Outage Reports Spike.

Authors: Pequeño IV, Antonio (AUTHOR)

Source: Forbes.com. 3/3/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Information technology

Anthropic's Claude Faces Server Outage Amid High-Profile Trump Conflict.

Authors: Murray, Conor (AUTHOR)

Source: Forbes.com. 3/2/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, Chatbots

Is Claude Down? Outage Reports Briefly Spike For Anthropic's AI.

Authors: Roush, Ty (AUTHOR)

Source: Forbes.com. 2/25/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Artificial intelligence

DeepSeek Probes Hours-Long AI Outage After Users Report Errors.

Source: Bloomberg.com. 3/29/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Artificial intelligence, Chatbots, Software maintenance

Geographic Terms: Hangzhou (China), China

LME Trading Halt Hits Metals Markets From Aluminum to Zinc.

Authors: Burton, Mark (AUTHOR), Farchy, Jack (AUTHOR)

Source: Bloomberg.com. 3/16/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Prices, *Commodity futures, *Electronic trading of securities, Aluminum, Metal prices, Zinc

Geographic Terms: London (England)

Company/Entity: London Metal Exchange Ltd.

Anthropic's Claude Goes Down Amid 'Unprecedented Demand'.

Authors: Ghosh, Shona (AUTHOR)

Source: Bloomberg.com. 3/2/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Supply & demand, Chatbots

Anthropic's Claude Chatbot Goes Down For Thousands of Users.

Authors: Ghosh, Shona (AUTHOR)

Source: Bloomberg.com. 3/2/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Software as a service, *Failure analysis, Chatbots, User experience, System failures

Company/Entity: Anthropic PBC

Is X Down? Outage Reports Surge For Second Time Monday.

Authors: Roeloffs, Mary Whitfill (AUTHOR)

Source: Forbes.com. 2/16/2026, pN.PAG-N.PAG. 1p.

Subject Terms: *System downtime, *Electric power failures, Computer system failures