History cannot be broken.
∈ is a philosophical and institutional proposal for public authorship in the age of artificial intelligence.
The symbol ∈ — borrowed from mathematics, where it means belongs to — marks the moment when a work enters the public space with an assumed author behind it.
Not ownership. Not copyright. Responsibility.
The core idea is simple:
A public work truly exists when someone assumes responsibility for it.
This gesture is older than any law. It appears in cave paintings where an artist left their handprint beside the figures they created. In Zola’s J’accuse. In Watson and Crick’s double helix paper. In every act of public authorship throughout history.
Today, in the age of generative AI and autonomous agents, that gesture is in crisis.
∈ is the proposal to restore it.
This repository contains the foundational philosophical text of the ∈ Principle, published in two languages.
| Language | Title | DOI |
|---|---|---|
| English | The Destination of Actions | https://doi.org/10.5281/zenodo.18945860 |
| Spanish | El destino de las acciones | https://doi.org/10.5281/zenodo.18945953 |
Both versions are released under CC BY 4.0.
The ∈ Principle proposes a minimal institutional gesture for the age of autonomous systems.
It states that every public act — human or artificial — should be accompanied by an explicit declaration of responsibility.
In this sense, the ∈ Principle forms the philosophical foundation for several technical initiatives:
- Agent Manifest — declarative identity layer for autonomous AI agents
- Boundary Handshake — protocol for negotiation between autonomous systems
- Agent Manifest Registry — public discovery infrastructure for agent manifests
Each of these systems operationalizes the same core idea: that public actions must belong to someone willing to stand behind them.
e-principle/
├── README.md
├── CITATION.cff
├── CHANGELOG.md
├── LICENSE
├── book/
│ ├── destination-of-actions-en.pdf
│ └── destino-de-las-acciones-es.pdf
└── docs/
└── e-principle.md
Capucci, H. A. (2026). ∈ Principle. Zenodo. https://doi.org/10.5281/zenodo.18965669
Capucci, H. A. (2026). The Destination of Actions — Public responsibility in the age of artificial intelligence. Zenodo. https://doi.org/10.5281/zenodo.18945860
Capucci, H. A. (2026). El destino de las acciones — Responsabilidad pública en la era de la inteligencia artificial. Zenodo. https://doi.org/10.5281/zenodo.18945953
The ∈ Principle sits at the center of a layered conceptual architecture.
The Destination of Actions (Book)
↓
∈ Principle
↓
Agent Manifest
↓
Boundary Handshake
↓
Agent Manifest Registry
Each layer implements the same idea at a different level:
- philosophy
- institutional principle
- technical specification
- operational protocol
- public infrastructure
Together they form a coherent system for responsibility in the age of autonomous agents.
- Capucci, H. A. (2026). The Destination of Actions. https://doi.org/10.5281/zenodo.18945860
- Capucci, H. A. (2026). El destino de las acciones. https://doi.org/10.5281/zenodo.18945953
- Agent Manifest — Declarative specification for autonomous AI agents https://github.com/hernancapucci/agent-manifest
- Boundary Handshake — Protocol for agent boundary declaration and negotiation https://github.com/hernancapucci/boundary-handshake
- Agent Manifest Registry — Public discovery infrastructure for agent manifests https://github.com/hernancapucci/agent-manifest-registry
∈ marks the moment when a work crosses the threshold — the moment when someone says, without saying it in words:
“This is entering the world, and I am here.”
Hernán Alfredo Capucci ORCID: https://orcid.org/0009-0008-7216-3032
2026 · CC BY 4.0
∈ Document Series · 2026