# AcademySoftwareFoundation/OpenTimelineIO

- id: src_01M569CRQ7R8E908H4XDPVW29G
- type: source · status: active · revision: 2
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T10, T04 · tags: level:advanced, editorial-interchange, timeline, apache-2.0, interchange, editorial, aswf, edl, conform, vfx-platform, code:python
- updated: 2026-10-18T01:23:55.948Z
- url: https://veyrul.com/sources/src_01M569CRQ7R8E908H4XDPVW29G

Source: https://github.com/academysoftwarefoundation/opentimelineio

L07 2026-10-17: merged duplicate records from lane-a:academysoftwarefoundation--opentimelineio, lane-c:academysoftwarefoundation--opentimelineio (same canonical URL).

```json
{
  "archived": null,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Open interchange format and API for editorial cut information (order and length of cuts, media references), with adapters for FCP XML, AAF and CMX EDL; the format a hub cut-plan record should round-trip to so editing decisions are machine-readable across tools. Film Lock exports OTIO.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Academy Software Foundation",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [
    "Interchange fidelity depends on each adapter; effects and color are generally not round-tripped (unverified here)."
  ],
  "upstream_updated_at": "2026-10-14T06:18:56.000Z"
}
```

Evidence claims:
- [sourced_fact] 'Open Source API and interchange format for editorial timeline information'; covers order and length of cuts and references to external media, not the media itself. · locator: repository description and README · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO
- [sourced_fact] Core in C++ with official Python binding; adapters for Final Cut Pro XML, AAF, CMX 3600 EDL; native .otio/.otioz/.otiod. · locator: README · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO
- [sourced_fact] License Apache-2.0; 869 commits visible. · locator: sidebar · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO
- [sourced_fact] Repository description: Open Source API and interchange format for editorial timeline information. · locator: repository metadata · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO
- [sourced_fact] README lists support for VFX Platform 2022-2025 and Python 3.9 to 3.15. · locator: README badges · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO
- [sourced_fact] Apache-2.0 license; last push 2026-10-14. · locator: LICENSE.txt · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO/blob/main/LICENSE.txt
- [sourced_fact] README/docs describe OTIO as an open source API and interchange format for editorial timeline information; docs say it can be thought of as a modern EDL and carries clips, timing, tracks, transitions, markers and metadata but not embedded media. · source: https://opentimelineio.readthedocs.io/en/latest/
- [sourced_fact] GitHub metadata: Apache-2.0 license, not archived, default branch main, last push 2026-10-14. · source: https://github.com/AcademySoftwareFoundation/OpenTimelineIO
- [sourced_fact] Docs describe a plugin adapter system for translating to and from other editorial formats; which adapters ship in the core package was not confirmed from the docs landing page. · source: https://opentimelineio.readthedocs.io/en/latest/
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=Apache-2.0 hosting=permitted redistribution=permitted modification=permitted training=unknown · GitHub-reported license. · evidence: https://github.com/AcademySoftwareFoundation/OpenTimelineIO

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