pystac-ext-timestamps
Timestamps extension for PySTAC
Decision gist · record as of 2026-08-14
Yes, if you are using PySTAC and need to represent additional temporal metadata (published, expires, unpublished) in your STAC items or catalogs. The package is actively maintained, has no security issues, and integrates cleanly with a single dependency. Install it only if your use case requires these extended timestamp fields; it is not needed for basic PySTAC workflows.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low friction install with a single runtime dependency on pystac-core.
- Actively maintained with a recent release (4 days old) and no known vulnerabilities.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most projects.
last release 2026-08-10 (4 days) · last repo commit 2026-08-10 · 454 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 3,981,812 downloads/mo, #2,418 on PyPI
Alternatives
Verify before relying
pip install pystac-ext-timestamps
import pystac_ext_timestamps
from pystac import Catalog
catalog = Catalog.from_dict({...})
# Timestamps extension fields now available on items- How the extension integrates with existing PySTAC workflows and whether it requires explicit registration or import-time activation.
- Whether the extension modifies item serialization or is purely a schema/validation layer.
What it is and what it does
pystac-ext-timestamps is a PySTAC extension package that adds support for the Timestamps Extension specification (v1.1.0). It extends PySTAC's core datetime handling to include additional temporal metadata fields—published, expires, and unpublished—allowing STAC items and catalogs to express richer temporal context beyond a single datetime value. This is useful for describing when content was published, when it expires, or when it was unpublished, which is common in imagery and data catalogs.
The package is a thin wrapper around the extension specification, designed to integrate seamlessly with pystac-core. It requires Python 3.10 or later and has minimal dependencies. The package version tracks the extension specification version it targets, with post-releases used for code updates that don't change the specification version. It's actively maintained and carries no known security vulnerabilities.
Use it for
- Add publication and expiration dates to satellite imagery or raster data in STAC catalogs.
- Track temporal lifecycle of archived content by marking when items were published, unpublished, or expire.
- Extend STAC metadata for time-sensitive datasets like weather forecasts or temporary data products.
- Build catalogs where temporal validity beyond a single datetime is a requirement for discovery or filtering.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are using PySTAC and need to represent additional temporal metadata (published, expires, unpublished) in your STAC items or catalogs.
The package is actively maintained, has no security issues, and integrates cleanly with a single dependency. Install it only if your use case requires these extended timestamp fields; it is not needed for basic PySTAC workflows.
Install
pystac-ext-timestamps on PyPI
Before you install
Low friction install with a single runtime dependency on pystac-core. Actively maintained with a recent release (4 days old) and no known vulnerabilities.
Requires Python 3.10 or later.
License in practice
Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most projects.
Quickstart
pip install pystac-ext-timestamps
import pystac_ext_timestamps
from pystac import Catalog
catalog = Catalog.from_dict({...})
# Timestamps extension fields now available on itemsVerify before relying
- How the extension integrates with existing PySTAC workflows and whether it requires explicit registration or import-time activation.
- Whether the extension modifies item serialization or is purely a schema/validation layer.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagepystac-core |
| Maintenance | Actively maintained 4 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 3,981,812 / month, #2,418 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseNatural Language :: EnglishProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13 |
Evidence: pystac_ext_timestamps-1.1.1-py3-none-any.whl
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See also pystac-ext-file · pystac-ext-raster · pystac-ext-storage · pystac-ext-table · pystac-ext-scientific · pystac-ext-eo · pystac-ext-version · pystac-ext-xarray-assets · pystac-ext-projection · pystac-ext-grid