Standards & Provenance
Factual chronology for the A2A Settlement Extension (A2A-SE). A project of TruthSetter LLC.
| Date | Event |
|---|---|
| February 17, 2026 | Initial public A2A-SE specification and reference implementation. Commit c5ba9aaa. |
| 2026 | Conformance framework — settlement-conformance. |
| 2026 | Federation specification — a2a-federation-rfc. |
| NIST CAISI | Public comment on security considerations for AI agents. doi:10.5281/zenodo.21745191. |
| NIST NCCoE | Public comment on software and AI-agent identity and authorization. doi:10.5281/zenodo.21745274. |
| June 10, 2026 | Specification v0.11.0 archived on Zenodo. Version DOI doi:10.5281/zenodo.21953795. |
| Zenodo | Concept DOI doi:10.5281/zenodo.21953794 always resolves to the latest archived SPEC release. |
Citing the specification
Smith, R. (2026). A2A Settlement Extension (A2A-SE) Specification (v0.11.0). Zenodo. https://doi.org/10.5281/zenodo.21953795
Cite the version DOI to pin v0.11.0, or the concept DOI to always reference the newest release.
Also: NIST compliance notes · What is Agent Settlement? · Site stub: a2a-settlement.org/standards