Codex starts encrypting sub-agent prompts
from github.com/openai
207
by
embedding-shape
2h ago
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Article:
4 min
Codex has updated its CLI by encrypting multi-agent v2 message payloads, which affects the visibility of task and message texts in rollout history and traces.
Privacy enhancement may lead to increased trust in AI systems, but it also raises concerns about transparency and accountability for users and maintainers.
- Version 0.137.0 and later include the change.
- The encrypted delivery path enhances privacy but removes human-readable task/message text.
- Users face difficulties in answering questions about spawned agents, messages sent to subagents, and existence of child threads.
- This issue differs from a separate one regarding request validation failures for encrypted tool schemas.
Quality:
The article provides factual information and discusses the implications of Codex's update.
Discussion (120):
29 min
The discussion revolves around concerns about data security and privacy, the lack of transparency in AI models' decision-making process, and the impact on users' ability to rely on AI models for real work. The community debates whether encryption of prompts is justified and discusses alternative models like Claude Code.
- AI models should provide transparency to users about their decision-making process.
- Data security and privacy are crucial concerns for users when using AI models.
Counterarguments:
- Encryption might be necessary for protecting proprietary information within AI models.
- Users can still rely on Claude Code as an alternative model with similar capabilities.
Software Development
AI/ML
Codex scraped the ICM website and discovered 2026 Fields Medal winner list
from phemex.com
77
by
zaikunzhang
2h ago
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Article:
An accidental leak revealed the list of potential 2026 Fields Medal winners, including two Peking University alumni, marking a historic moment for Chinese mathematics and gender diversity in the field.
Historic milestone for Chinese mathematics and gender diversity
- Peking University alumni Hong Wang and Yu Deng among recipients
- First time two Chinese mathematicians receive the award in the same edition
- Hong Wang will be the third female mathematician to receive the Fields Medal
Quality:
The article provides factual information without sensationalizing the event.
Discussion (54):
6 min
The comment thread discusses an incident where Codex was used to discover that the winners list of the ICM website schedule was hidden in the front-end code. The discussion includes parallels with previous incidents, comparisons between LLMs and human capabilities, privacy concerns related to Google's data collection practices, and transliteration issues in Chinese names.
- The developers made a mistake by hiding the winners list
- Scraping public material for scoops is common practice
Counterarguments:
- An egregious case resulted in disproportionate law enforcement response decades ago
Science
Mathematics, Academia
Beautiful Type Erasure with C++26 Reflection
from ryanjk5.github.io
26
by
RyanJK5
1h ago
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Article:
54 min
The article discusses the development of rjk::duck, a library that uses C++26 reflection to simplify type erasure in complex scenarios, such as with std::any and std::function. It showcases how annotations are used for trait declaration, tag generation, vtable codegen, overload resolution, and interconvertibility tricks to keep the library small while preserving customization and performance.
The library simplifies complex type manipulation, potentially leading to more efficient and safer code development in C++. It may influence the adoption of advanced reflection techniques in future projects.
- Uses annotations to declare traits
- Generates tags internally for trait members
- Creates a vtable using reflection techniques
- Handles overload resolution through interconvertibility
- Offers owning and non-owning semantics, operators, interface composition, adapters, extension methods
Discussion (7):
The comment thread discusses various opinions on C++, including praise for a project's source code and personal preferences towards or against using the language. It also touches upon technical aspects like debugging and external tools used in C++ development.
- praising the source code and project
Counterarguments:
- Reflections, especially static ones, are horrible for debugging.
Software Development
Programming Languages (C++)
Coding agents think ahead of time
from arxiv.org
25
by
andre15silva
1h ago
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Article:
2 min
The article provides an overview of various tools, platforms, and resources related to bibliographic management, code sharing, data access, media, and academic networking. It highlights the functionalities of these tools and their applications in research and academia.
- Introduction to code, data, and media associated with academic papers
- Exploration of related paper recommendation systems
Quality:
The article provides a comprehensive overview of various tools and platforms, which is beneficial for its target audience.
Discussion (17):
3 min
The comment thread discusses the predictive capabilities of LLMs, focusing on token prediction and reasoning mechanisms. Opinions vary regarding whether attention mechanisms involve reasoning and the role of human cognition in creativity.
- Predicting the next token requires understanding of future tokens
- Attention mechanisms are not about reasoning
Counterarguments:
- Reasoning can be defined in a measurable way
- Parrotry is not reasoning
Software Development
Research Tools, Academic Networking
Proof of Care in the Age of A.I
from jacobfilipp.com
13
by
jfil
49m ago
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Article:
16 min
The article discusses various methods people are using to prove their care and effort in a world dominated by artificial intelligence (AI). It covers handwriting, tattoos, storytelling, body mutilation, and the use of psychedelic drugs for communication.
- Handwritten messages are more effortful and authentic.
- Permanent tattoos demonstrate unfakeable conviction.
- In-person storytelling adapts to the audience's energy.
- Mutilating the body is an extreme form of commitment.
- Using psychedelic drugs enhances communication intensity.
Quality:
The article presents various methods with a speculative tone, suggesting that these practices might become more common in the future.
Discussion (3):
The comment thread discusses personal development and future predictions in relation to handwriting, with a note of surprise about content generation.
Artificial Intelligence
Human-Computer Interaction
Show HN: I RL-trained an agent that trains models with RL (for –$1.3k)
from github.com/Danau5tin
24
by
Danau5tin
1h ago
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Article:
24 min
An AI agent has been trained using reinforcement learning to autonomously create and submit training jobs for other AI models on Runpod GPUs, with the goal of improving model performance through iterative feedback loops.
This development could lead to more efficient AI model training processes, potentially reducing costs and improving the scalability of AI systems. However, it also raises concerns about automation in AI development and the potential for increased reliance on black-box models.
- The agent uses Tinker, a reinforcement learning API, to train itself on episode reward which is based on the performance of the submitted training jobs.
- The tasks involve teaching small models to perform specific actions like multi-hop persona queries or string transformations.
- The trained model weights are available for download from Hugging Face.
Quality:
The article provides detailed technical information and is well-researched.
Discussion (4):
The discussion revolves around the use of AI and agents in training models, with a focus on the role of agents providing extra compute resources for various machine learning tasks. The mention of emojis in the README is clarified as being done by one individual.
- The project uses a framework provided by agents to access extra compute resources.
AI
Machine Learning, Reinforcement Learning, AI Training
Kids (With Phones) Are Alright
from heatherburns.tech
14
by
JumpCrisscross
3d ago
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Article:
13 min
An article discussing the bystander action on a train involving a drunk middle-aged man filming teenage girls without their consent, highlighting the contrast between this real-world incident and current UK tech policy that aims to censor young people's behavior for their 'protection'. The author also critiques the cultural values of the elite who push for such policies.
- Passengers confront and document a drunk man filming teenage girls.
- Policy argues for censoring young people's behavior, punishing them for the perpetrator's actions.
- The incident is about power dynamics rather than Big Tech involvement.
- Critique of cultural values imposed on children by the elite.
Quality:
The article presents a balanced viewpoint with some subjective statements but remains objective overall.
Discussion (1):
More comments needed for analysis.
Society
Politics, Social Sciences
Tensor Is the Might
from zserge.com
8
by
eatonphil
49m ago
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Article:
1 hr 7 min
This article discusses the creation of a complete tensor library from scratch in C, inspired by Bellard’s libnc. It covers the fundamental concepts of tensors, including their representation as flat arrays with metadata for dimensions and strides, and provides an implementation that supports operations like elementwise math, broadcasting, and GPU acceleration using Metal. The article also delves into matrix multiplication (matmul), differentiation through manual backpropagation, loss functions such as cross-entropy, and optimization techniques like stochastic gradient descent (SGD) with momentum. It showcases the application of this library in training a simple fully-connected neural network on the MNIST dataset.
This work could influence the development of smaller, more accessible deep learning frameworks that cater to specific hardware or use cases, potentially democratizing access to machine learning tools for a broader audience.
Quality:
The article provides detailed code snippets and explanations, making it a valuable resource for developers looking to understand tensor operations in C.
Discussion (0):
More comments needed for analysis.
Computer Science
Software Development, Machine Learning
Japan develops a method to recover up to 90% of lithium from used EV batteries
from tech.supercarblondie.com
622
by
donohoe
11h ago
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Article:
5 min
Scientists in Japan have developed a new method to recover up to 90% of lithium from used electric vehicle batteries, significantly improving recycling efficiency and environmental impact. This breakthrough could change the way EV batteries are made and reused.
This innovation could lead to a reduction in environmental impact from battery waste and potentially stabilize supply chains for lithium, benefiting both the automotive industry and global sustainability efforts.
- 90% lithium recovery rate
- Efficient and environmentally friendly process
- Potential to reduce reliance on battery imports
Quality:
The article provides clear and factual information about the new method, its benefits, and potential challenges.
Discussion (163):
42 min
The comment thread discusses various aspects related to electric vehicles (EVs) in Japan, including their slow adoption by automakers, government subsidies for EV purchases, and the challenges faced by the industry. The discussion highlights the risk-averse nature of Japanese companies, their preference for traditional technologies over new innovations, and the impact on the automotive market. It also touches upon the role of Chinese battery manufacturers in the global market and the potential implications for Japan's domestic industry.
- Japanese automakers are slow to adapt to electric vehicles due to risk aversion and preference for traditional technologies.
- Government subsidies have recently increased in Japan, potentially leading to a surge in electric vehicle adoption.
Counterarguments:
- Japan's oil imports have decreased significantly over time, suggesting a shift towards alternative energy sources.
- Electricity costs are high in Japan, which may impact consumer preferences for electric vehicles compared to gasoline cars.
- Kei cars and minivans remain popular due to their affordability, fuel efficiency, and practical features.
Automotive
Electric Vehicles, Recycling
Actegories
from bartoszmilewski.com
25
by
ibobev
2h ago
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Article:
9 min
The article discusses the concept of actegories in programming, specifically their role in optics such as lenses and traversals. It explains monoidal categories and provides an example using Haskell to model a monoidal category with cartesian product. The article then introduces actegories, which are categories that support actions by a monoidal category, and presents examples like the self-action of the cartesian product. It also covers monoidal functors between actegories and mentions Haskell code for one such functor.
Educational content that could enhance understanding of advanced programming concepts and category theory
- Definition of monoidal category and its properties
- Examples of monoidal categories: cartesian product, Either type, Monoid constraint
Quality:
The article provides clear explanations and examples, but the Haskell code is not included in the summary.
Discussion (4):
The comment thread discusses the complexity of a topic related to category theory, recommending an introductory YouTube lecture series for those with some prior knowledge.
- To understand actegories, let’s start with the definition of a monoidal category
Computer Science
Programming Languages, Category Theory