# PyPI (Python Infrastructure)

- Domain: python.org · Category: devtools
- Status page: https://status.python.org (polled every 10 minutes; now operational)
- Incidents archived: 170 (53 major/critical, 20 maintenances), history since 2014-11-21
- Last 90 days: 4 incidents; open now: 0
- Silently edited or deleted incidents: 0

## How PyPI (Python Infrastructure) reports incidents

Not enough incidents to compare yet (needs 20 in a year and 10 with full update detail; has 8 and 49).

## Dependencies (observed)

| Depends on | Signal | Blamed in | Hosting | Integration | Events | Declared |
| --- | --- | --- | --- | --- | --- | --- |
| Fastly | medium | 1 | 0 | 0 | 0 |  |
| AWS (Amazon Web Services) | medium | 0 | 1 | 0 | 1 |  |

## Incidents by year

| Year | Incidents | Major/critical | Maintenance | Median duration |
| --- | --- | --- | --- | --- |
| 2014 | 2 | 1 | 0 | 30 min |
| 2015 | 14 | 5 | 0 | 3.5 h |
| 2016 | 14 | 2 | 0 | 3.1 h |
| 2017 | 14 | 2 | 3 | 43 min |
| 2018 | 41 | 6 | 8 | 1.3 h |
| 2019 | 12 | 5 | 0 | 2.2 h |
| 2020 | 6 | 3 | 1 | 1.2 h |
| 2021 | 13 | 8 | 0 | 6.1 h |
| 2022 | 17 | 6 | 2 | 2.9 h |
| 2023 | 14 | 5 | 2 | 3.8 h |
| 2024 | 10 | 4 | 2 | 1.1 h |
| 2025 | 6 | 4 | 1 | 1.1 h |
| 2026 | 7 | 2 | 1 | 1.2 h |

## Pricing

_No structured pricing extracted yet._

## Recent notable changes

| When (UTC) | Change | Summary |
| --- | --- | --- |
| 2026-10-02 01:15 UTC | [Major incident: PyPI Backends Partial Availability](https://rewindex.com/change/iad3a8e00e8f4a2.md) | pending |
| 2026-02-26 20:40 UTC | [Critical incident: Python Infrastructure Outage](https://rewindex.com/change/i3933c27ec15572.md) | pending |
| 2025-05-24 23:37 UTC | [Major incident: PyPI Partial Outage](https://rewindex.com/change/i7ff07a3ce707ac.md) | pending |
| 2025-04-24 12:02 UTC | [Major incident: PyPI Elevated Error Rates](https://rewindex.com/change/i7b3e264dbf7dd3.md) | pending |
| 2025-04-08 10:23 UTC | [Major incident: PyPI Simple and JSON API Outage](https://rewindex.com/change/id3cc3ea58fd0b6.md) | pending |
| 2025-03-11 12:13 UTC | [Major incident: Download file corruption](https://rewindex.com/change/i009a884994194d.md) | pending |
| 2024-12-13 13:44 UTC | [Critical incident: Infrastructure Outage](https://rewindex.com/change/i1805aa34851409.md) | pending |
| 2024-07-31 03:21 UTC | [Critical incident: PyPI Backend Outage](https://rewindex.com/change/ide9578cd2c1aa6.md) | pending |
| 2024-06-05 15:38 UTC | [Critical incident: Outage in python.org and us.pycon.org](https://rewindex.com/change/iadfffcee28bd66.md) | pending |
| 2024-03-12 20:00 UTC | [Major incident: PyPI workers currently paused](https://rewindex.com/change/ie66254e6f5d6ff.md) | pending |

Full timeline: [PyPI (Python Infrastructure) changes](https://rewindex.com/company/pypi/changes.md)
## Silent edits and deletions

_None._

## Page change history

| Page | URL | Versions | Last changed (UTC) | History |
| --- | --- | --- | --- | --- |
| Privacy policy | [https://python.org/privacy](https://python.org/privacy) | 1 | 2026-10-19 |  |

_No page changes since the first snapshot._

## Latest 100 incidents

| Started (UTC) | Incident | Impact | Duration | Edited |
| --- | --- | --- | --- | --- |
| 2026-10-02 01:15 UTC | [PyPI Backends Partial Availability](https://rewindex.com/company/pypi/incidents/3xbmc8ln1tlk.md) | major | 17 min |  |
| 2026-10-01 11:13 UTC | [Multiple services unavailable](https://rewindex.com/company/pypi/incidents/0jzvfb9tnqmv.md) | none | 6 min |  |
| 2026-09-28 12:42 UTC | [Issues with search, logins and logged-in pages](https://rewindex.com/company/pypi/incidents/krn0mpxz5jp2.md) | minor | 13 h |  |
| 2026-09-23 11:02 UTC | [Issues with search, logins and logged-in pages](https://rewindex.com/company/pypi/incidents/ls9lfq7lh5np.md) | minor | 6.0 h |  |
| 2026-02-26 20:40 UTC | [Python Infrastructure Outage](https://rewindex.com/company/pypi/incidents/r47c43jw19zq.md) | critical | 2.8 h |  |
| 2026-02-19 22:46 UTC | [API Traffic experiencing intermittent failures](https://rewindex.com/company/pypi/incidents/lls76r349nns.md) | minor | 1.2 h |  |
| 2026-01-07 22:42 UTC | [PyPI Uploads failing](https://rewindex.com/company/pypi/incidents/rm43qwz0svnf.md) | none | 18 min |  |
| 2025-11-12 15:46 UTC | [Slow updates to PyPI pages/API responses](https://rewindex.com/company/pypi/incidents/0p8n1kx21msn.md) | minor | 39 min |  |
| 2025-07-29 14:41 UTC | [PyPI Search Index Degraded](https://rewindex.com/company/pypi/incidents/tyvdmttyy309.md) | minor | 5.3 h |  |
| 2025-05-24 23:37 UTC | [PyPI Partial Outage](https://rewindex.com/company/pypi/incidents/wtqw8mxcg3j1.md) | major | 3 d |  |
| 2025-04-24 12:02 UTC | [PyPI Elevated Error Rates](https://rewindex.com/company/pypi/incidents/jjvcvksrjc53.md) | major | 16 min |  |
| 2025-04-08 10:23 UTC | [PyPI Simple and JSON API Outage](https://rewindex.com/company/pypi/incidents/tg6dd9n4nrrx.md) | major | 37 min |  |
| 2025-03-11 12:13 UTC | [Download file corruption](https://rewindex.com/company/pypi/incidents/2zf08fkp0nd1.md) | major | 1.4 h |  |
| 2024-12-13 13:44 UTC | [Infrastructure Outage](https://rewindex.com/company/pypi/incidents/lnf8y0k9l7ms.md) | critical | 1.4 h |  |
| 2024-08-21 19:53 UTC | [PyPI Simple Index Timing Out](https://rewindex.com/company/pypi/incidents/3tswhnqgw4my.md) | minor | 31 min |  |
| 2024-08-09 18:22 UTC | [Issue with uploads](https://rewindex.com/company/pypi/incidents/3rs39x4wyc94.md) | minor | 1.1 h |  |
| 2024-07-31 03:21 UTC | [PyPI Backend Outage](https://rewindex.com/company/pypi/incidents/4zsx02j9rd5p.md) | critical | 13 min |  |
| 2024-07-12 14:28 UTC | [PyPI Database Upgrades](https://rewindex.com/company/pypi/incidents/fl04h872c5kz.md) | minor | 1.8 h |  |
| 2024-06-08 13:43 UTC | [PyPI Database Upgrades](https://rewindex.com/company/pypi/incidents/j7tybyvh6p48.md) | minor | 1.1 h |  |
| 2024-06-05 15:38 UTC | [Outage in python.org and us.pycon.org](https://rewindex.com/company/pypi/incidents/q8jvpwggfn8z.md) | critical | 27 min |  |
| 2024-03-28 02:16 UTC | [PyPI New User Registration and New Project Creation Temporarily Suspended.](https://rewindex.com/company/pypi/incidents/dc9zsqzrs0bv.md) | none | 11 h |  |
| 2024-03-12 20:00 UTC | [PyPI workers currently paused](https://rewindex.com/company/pypi/incidents/z33lflbbsx5t.md) | major | 41 min |  |
| 2024-02-12 17:50 UTC | [Site wide issue in PSF Infrastructure](https://rewindex.com/company/pypi/incidents/0r0fknxb1m9b.md) | none | 3.3 h |  |
| 2023-12-27 20:11 UTC | [PyPI new user registration temporarily suspended](https://rewindex.com/company/pypi/incidents/0mld3fml68nd.md) | minor | 6 d |  |
| 2023-11-24 23:14 UTC | [PyPI new user registration temporarily suspended](https://rewindex.com/company/pypi/incidents/0th66lc1l8by.md) | minor | 10 d |  |
| 2023-10-17 19:32 UTC | [Database Storage Latencies](https://rewindex.com/company/pypi/incidents/jgl7gn6940sy.md) | major | 3.2 h |  |
| 2023-09-20 21:25 UTC | [Reports of failed connections from us-east-2](https://rewindex.com/company/pypi/incidents/zw9ty74sfyq9.md) | minor | 1.6 h |  |
| 2023-08-17 15:00 UTC | [Intermittent outages in PyPI backends.](https://rewindex.com/company/pypi/incidents/ybzgbvktv0g6.md) | minor | 8 min |  |
| 2023-08-01 19:42 UTC | [Some PyPI web requests failing.](https://rewindex.com/company/pypi/incidents/044rr0c1z6km.md) | major | 27 min |  |
| 2023-06-21 21:38 UTC | [Object storage provider outage](https://rewindex.com/company/pypi/incidents/z81z34x6fsng.md) | critical | 4.4 h |  |
| 2023-05-20 16:02 UTC | [PyPI new user and new project registrations temporarily suspended.](https://rewindex.com/company/pypi/incidents/qy2t9mjjcc7g.md) | minor | 30 h |  |
| 2023-05-11 22:12 UTC | [File Uploads returning 500 responses](https://rewindex.com/company/pypi/incidents/6zgs59xbw9s4.md) | minor | 1.0 h |  |
| 2023-04-25 20:44 UTC | [PyPI uploads are failing](https://rewindex.com/company/pypi/incidents/yxsssbp9zh0v.md) | minor | 19 h |  |
| 2023-03-27 14:34 UTC | [Uploads are failing intermittently](https://rewindex.com/company/pypi/incidents/vc41bg4603qn.md) | minor | 23 h |  |
| 2023-03-20 12:55 UTC | [python.org backend outage](https://rewindex.com/company/pypi/incidents/kwsfwt5q4rg1.md) | major | 13 min |  |
| 2023-03-17 21:04 UTC | [PyPI Emails Not Sending](https://rewindex.com/company/pypi/incidents/7mfh096bpdv0.md) | critical | 3.9 h |  |
| 2023-01-10 13:59 UTC | [PyPI File Hosting Latencies and Timeouts](https://rewindex.com/company/pypi/incidents/j369h2rkqsgz.md) | minor | 3.8 h |  |
| 2022-11-11 22:24 UTC | [PyPI Dictionary Attack](https://rewindex.com/company/pypi/incidents/3x5354l2m6zq.md) | none | 6 d |  |
| 2022-10-24 14:51 UTC | [PyPI Backends are unavailable.](https://rewindex.com/company/pypi/incidents/77qzc7qsb5wb.md) | major | 53 min |  |
| 2022-10-11 16:05 UTC | [PyPI UI missing CSS](https://rewindex.com/company/pypi/incidents/05zvbr810c4j.md) | none | 20 min |  |
| 2022-09-23 14:44 UTC | [TestPyPI Maintenance](https://rewindex.com/company/pypi/incidents/xg3fr0ffw2nm.md) | none | 33 min |  |
| 2022-09-12 18:24 UTC | [TestPyPI under maintenance.](https://rewindex.com/company/pypi/incidents/nt3l6p042g1g.md) | none | 1.6 h |  |
| 2022-08-26 13:19 UTC | [docs.python.org backend down](https://rewindex.com/company/pypi/incidents/d8614rnx6tgg.md) | critical | 3.0 h |  |
| 2022-07-29 15:19 UTC | [Notice: PyPI Mass CDN Purge](https://rewindex.com/company/pypi/incidents/6g4b91d3n8qs.md) | minor | 3.7 h |  |
| 2022-07-28 19:00 UTC | [PyPI Outage 2022-07-28 18:46-18:53 UTC](https://rewindex.com/company/pypi/incidents/wcwq0pp25ffb.md) | none | 0 min |  |
| 2022-06-27 14:20 UTC | [Queue delay affecting CDN purges and emails](https://rewindex.com/company/pypi/incidents/l16ylxktn4r9.md) | minor | 4.3 h |  |
| 2022-06-10 11:08 UTC | [Redirect Loops on JSON API endpoints.](https://rewindex.com/company/pypi/incidents/lgpr13fy71bk.md) | minor | 5.4 h |  |
| 2022-06-02 22:20 UTC | [Newly uploaded files are returning 403 from files.pythonhosted.org](https://rewindex.com/company/pypi/incidents/bt0tzq7x2fk2.md) | minor | 14 h |  |
| 2022-05-24 17:32 UTC | [Malicious takeover of ctx project on PyPI.](https://rewindex.com/company/pypi/incidents/s8vm6pwr46c2.md) | none | -453 min |  |
| 2022-05-02 19:33 UTC | [PyPI Backends unavailable.](https://rewindex.com/company/pypi/incidents/25f6j3hn0ty3.md) | critical | 2.9 h |  |
| 2022-04-14 15:07 UTC | [Redirect and ancillary services unavailable.](https://rewindex.com/company/pypi/incidents/qz5c590stq3k.md) | none | 3.2 h |  |
| 2022-04-05 15:25 UTC | [PyPI Down](https://rewindex.com/company/pypi/incidents/mxgkk3xxr9v7.md) | major | 1.2 h |  |
| 2022-03-09 20:17 UTC | [PyPI Backends unavailable.](https://rewindex.com/company/pypi/incidents/s5bsr9z4yrzw.md) | critical | 17 min |  |
| 2022-02-24 16:44 UTC | [python.org backends unavailable.](https://rewindex.com/company/pypi/incidents/bg64kg9w2xg6.md) | critical | 3.4 h |  |
| 2021-12-29 18:31 UTC | [Outage](https://rewindex.com/company/pypi/incidents/mhhkwhbc35l7.md) | minor | 1.5 h |  |
| 2021-12-16 22:29 UTC | [Service Interruption due to database upgrades](https://rewindex.com/company/pypi/incidents/0kx5k4p9ljyw.md) | critical | 14 h |  |
| 2021-12-14 09:41 UTC | [PyPI XMLRPC Search Disabled](https://rewindex.com/company/pypi/incidents/grk0k7sz6zkp.md) | minor | 20 d |  |
| 2021-11-27 01:32 UTC | [PyPI Download Statistics Not Updating](https://rewindex.com/company/pypi/incidents/2jj696st6yn5.md) | none | 16 d |  |
| 2021-07-28 16:08 UTC | [Major outage in backend infrastructure.](https://rewindex.com/company/pypi/incidents/1rgpmyy1wyy8.md) | none | 34 min |  |
| 2021-06-10 01:10 UTC | [wiki.python.org unavailable](https://rewindex.com/company/pypi/incidents/6l6tnzff795h.md) | critical | 16 h |  |
| 2021-06-08 09:58 UTC | [Major Outage across all Infrastructure](https://rewindex.com/company/pypi/incidents/7ltfyzj2jk0x.md) | critical | 6.1 h |  |
| 2021-06-03 16:14 UTC | [python.org unavailable.](https://rewindex.com/company/pypi/incidents/l8qx1chfbrzb.md) | major | 42 min |  |
| 2021-04-05 14:30 UTC | [PyPI Unavailable](https://rewindex.com/company/pypi/incidents/rw171ylf8jw3.md) | critical | 2.6 h |  |
| 2021-03-24 14:25 UTC | [Deprecation of support for non-SNI clients.](https://rewindex.com/company/pypi/incidents/hzmjhqsdjqgb.md) | major | 48 d |  |
| 2021-02-15 02:34 UTC | [wiki.python.org Major outage](https://rewindex.com/company/pypi/incidents/5gjcqsry7j4t.md) | critical | 53 min |  |
| 2021-01-15 02:53 UTC | [wiki.python.org experiencing a distributed denial of service attack.](https://rewindex.com/company/pypi/incidents/lc5jx9rrwl1z.md) | critical | 12 h |  |
| 2021-01-12 16:06 UTC | [CDN Instability](https://rewindex.com/company/pypi/incidents/b3mj9mhvnbkt.md) | minor | 46 min |  |
| 2020-11-25 16:47 UTC | [PyPI Degraded Service](https://rewindex.com/company/pypi/incidents/y9l38rf0wq1h.md) · [AWS outage](https://rewindex.com/events/2020-11-25-aws) | minor | 5.5 h |  |
| 2020-06-12 18:59 UTC | [Multiple services unavailable](https://rewindex.com/company/pypi/incidents/lh5h05klwytk.md) | none | 51 min |  |
| 2020-05-13 21:59 UTC | [wiki.python.org unavailable](https://rewindex.com/company/pypi/incidents/6rvd00yl2p55.md) | critical | 1.2 h |  |
| 2020-03-26 06:30 UTC | [PyPI Outage 2020-03-26](https://rewindex.com/company/pypi/incidents/1yd6sfczzfmz.md) | none | 0 min |  |
| 2020-03-16 19:55 UTC | [Python Homepage and PyCon site unavailable.](https://rewindex.com/company/pypi/incidents/626908n3fd38.md) | major | 6.2 h |  |
| 2020-03-16 16:20 UTC | [Multiple services unavailable](https://rewindex.com/company/pypi/incidents/p4tk206vy262.md) · [Heroku outage](https://rewindex.com/events/2020-03-16-heroku) | critical | 1.1 h |  |
| 2019-12-14 17:10 UTC | [PyPI Backends Unavailable](https://rewindex.com/company/pypi/incidents/xbtkj2ml74bk.md) | critical | 2.2 h |  |
| 2019-11-11 19:55 UTC | [PyPI Cache Invalidation Delays](https://rewindex.com/company/pypi/incidents/bxn06xpqxc53.md) | minor | 2.4 h |  |
| 2019-10-22 12:22 UTC | [PyPI Intermittent Outages](https://rewindex.com/company/pypi/incidents/3tm38q23zpsj.md) | major | 54 min |  |
| 2019-09-30 21:30 UTC | [bugs.python.org outage](https://rewindex.com/company/pypi/incidents/1qdsblkfd1fj.md) | none | 5.1 h |  |
| 2019-09-03 20:28 UTC | [www.python.org routing issues.](https://rewindex.com/company/pypi/incidents/gl973362dlz9.md) | major | 17 h |  |
| 2019-09-02 18:14 UTC | [Python.org routing issues](https://rewindex.com/company/pypi/incidents/w8lq7ggjj7d9.md) | none | 1.3 h |  |
| 2019-08-02 16:39 UTC | [Packaging Guide, Dev Guide, and PyPA documentation unavailable.](https://rewindex.com/company/pypi/incidents/zygdmhsngvth.md) | none | 1.6 h |  |
| 2019-05-03 17:56 UTC | [pypi.org issues on update](https://rewindex.com/company/pypi/incidents/8jl9mys0nmsh.md) | none | 2.3 h |  |
| 2019-03-01 13:19 UTC | [bugs.python.org unavailable](https://rewindex.com/company/pypi/incidents/bkhbnsn8njqx.md) | none | 0 min |  |
| 2019-02-26 01:37 UTC | [docs.python.org unavailable](https://rewindex.com/company/pypi/incidents/vzjnw82bgcrc.md) | critical | 37 min |  |
| 2019-02-21 16:27 UTC | [mail.python.org smtp down](https://rewindex.com/company/pypi/incidents/dmp5jmmlwwfr.md) | critical | 6.1 h |  |
| 2019-02-04 11:29 UTC | [PyPI Search Errors](https://rewindex.com/company/pypi/incidents/2p9mzs119z2p.md) | none | 0 min |  |
| 2018-12-14 15:57 UTC | [PyPI backends unavailable](https://rewindex.com/company/pypi/incidents/whhbynms0dr6.md) | critical | 1.2 h |  |
| 2018-10-18 12:21 UTC | [PyPI Outage](https://rewindex.com/company/pypi/incidents/9k0hk1qm7x8t.md) | major | 46 min |  |
| 2018-08-10 17:45 UTC | [python.org unavailable](https://rewindex.com/company/pypi/incidents/nrj012nbt01l.md) | critical | 34 min |  |
| 2018-08-03 22:28 UTC | [PyPI Verification Emails](https://rewindex.com/company/pypi/incidents/nk7cyn2vh4wr.md) | none | 7 d |  |
| 2018-07-25 20:42 UTC | [Inbound emails delayed for @python.org](https://rewindex.com/company/pypi/incidents/rrsz10kppktb.md) | none | 3.1 h |  |
| 2018-07-23 18:04 UTC | [PyPI Outage](https://rewindex.com/company/pypi/incidents/8k5sbt87c2mg.md) | minor | 57 min |  |
| 2018-07-18 13:47 UTC | [test.pypi.org Migration](https://rewindex.com/company/pypi/incidents/rk9b4xj67bpk.md) | none | 3.2 h |  |
| 2018-07-11 20:35 UTC | [\[hg.python.org\] outage](https://rewindex.com/company/pypi/incidents/n2g5ybwp7s8v.md) | minor | 16 min |  |
| 2018-07-08 16:36 UTC | [\[PyPI\] XMLRPC errors](https://rewindex.com/company/pypi/incidents/tjppcdpmqhg4.md) | minor | 19 min |  |
| 2018-06-27 19:07 UTC | [PyPI: Elevated Error Rates](https://rewindex.com/company/pypi/incidents/4yhnsxdx1dyn.md) | minor | 52 min |  |
| 2018-06-21 15:02 UTC | [Database service outages.](https://rewindex.com/company/pypi/incidents/r39hn306fqkn.md) | none | 0 min |  |
| 2018-06-05 14:34 UTC | [mercurial hosting (hg.python.org) outage](https://rewindex.com/company/pypi/incidents/x6dw6pz28vr0.md) | none | 35 min |  |
| 2018-05-31 12:10 UTC | [PyPI Backend Outage](https://rewindex.com/company/pypi/incidents/fds3l1qrtysh.md) | none | 0 min |  |
| 2018-05-16 02:56 UTC | [PyPI Search is down](https://rewindex.com/company/pypi/incidents/zy8byjxl3c5n.md) | none | 1.3 h |  |
| 2018-05-07 16:09 UTC | [files.pythonhosted.org Access Issues](https://rewindex.com/company/pypi/incidents/zjxwp5lpyn8s.md) | none | 3.6 h |  |


## Charts

### Chart data: PyPI (Python Infrastructure) status incidents per year
Grey: all non-maintenance incidents. Orange: major or critical. Years before Oct 2026 come from the vendor’s own status history.

| Year | Incidents | Major/critical |
| --- | --- | --- |
| 2014 | 2 | 1 |
| 2015 | 14 | 5 |
| 2016 | 14 | 2 |
| 2017 | 14 | 2 |
| 2018 | 41 | 6 |
| 2019 | 12 | 5 |
| 2020 | 6 | 3 |
| 2021 | 13 | 8 |
| 2022 | 17 | 6 |
| 2023 | 14 | 5 |
| 2024 | 10 | 4 |
| 2025 | 6 | 4 |
| 2026 | 7 | 2 |

### Chart data: Incidents per month, last 36 months
By impact as reported by the vendor. Maintenance excluded.

| Month | Impact | Incidents |
| --- | --- | --- |
| 2023-10 | major | 1 |
| 2023-11 | minor | 1 |
| 2023-12 | minor | 1 |
| 2024-02 | none | 1 |
| 2024-03 | major | 1 |
| 2024-03 | none | 1 |
| 2024-06 | critical | 1 |
| 2024-06 | minor | 1 |
| 2024-07 | critical | 1 |
| 2024-07 | minor | 1 |
| 2024-08 | minor | 2 |
| 2024-12 | critical | 1 |
| 2025-03 | major | 1 |
| 2025-04 | major | 2 |
| 2025-05 | major | 1 |
| 2025-07 | minor | 1 |
| 2025-11 | minor | 1 |
| 2026-01 | none | 1 |
| 2026-02 | critical | 1 |
| 2026-02 | minor | 1 |
| 2026-09 | minor | 2 |
| 2026-10 | major | 1 |
| 2026-10 | none | 1 |

### Chart data: Page snapshot history
One dot per archived version. Grey = first archived (baseline), orange = text changed.

| Date | Page | Change |
| --- | --- | --- |
| 2026-10-19 | Privacy policy | baseline |

---
Canonical: https://rewindex.com/company/pypi · Markdown: https://rewindex.com/company/pypi.md · JSON: https://rewindex.com/api/v1/companies/pypi · Generated 2026-10-19T23:13:12.586Z