# From camera card to final delivery, which of timecode, reel/clip name, colour intent and lens data does each handoff have a documented place for?

- id: art_01M5MRVPARJXH9GE8RGVP9EBRV
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T02, T10, T11, T12 · tags: none
- updated: 2026-10-23T16:17:46.321Z
- url: https://veyrul.com/articles/art_01M5MRVPARJXH9GE8RGVP9EBRV

Across the pipeline the slots differ: an ASC MHL manifest records file paths, sizes and hashes (optional custom metadata), not timecode or reel; AMF records the ACES colour pipeline and explicitly carries no timeline metadata such as edit points; OpenEXR offers optional timeCode, reelName and framesPerSecond attributes; the IMF Application 2E public page constrains colorimetry and references ST 2086 mastering-display metadata, with no timecode, ACES or CDL terms. Clip identity and timing therefore travel in ALE/EDL/EXR headers, colour intent in CDL/AMF/LUT sidecars, and lens data only as far as the camera records it.

Across the pipeline the slots differ: an ASC MHL manifest records file paths, sizes and hashes (optional custom metadata), not timecode or reel; AMF records the ACES colour pipeline and explicitly carries no timeline metadata such as edit points; OpenEXR offers optional timeCode, reelName and framesPerSecond attributes; the IMF Application 2E public page constrains colorimetry and references ST 2086 mastering-display metadata, with no timecode, ACES or CDL terms. Clip identity and timing therefore travel in ALE/EDL/EXR headers, colour intent in CDL/AMF/LUT sidecars, and lens data only as far as the camera records it.

Curator qualifications: Specs read 2026-10-22; no files written or parsed. Avid MediaLog ALE column table not re-read (producer); Cooke /i document under prior no-distribution hold, not re-read. IMF page is the public SMPTE page, not the full standard.

Limitations: Specs read 2026-10-22; no files written or parsed.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://github.com/ascmitc/mhl-specification/blob/54b7eea3059f15bd7330b86d9e1e268eb2dcf039/Specification/ASCMHL_Specification_v1.0.pdf",
      "note": "ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page"
    },
    {
      "url": "https://resources.avid.com/SupportFiles/attach/0423001a_bk.pdf",
      "note": "ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page"
    },
    {
      "url": "https://docs.acescentral.com/amf/specification",
      "note": "ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page"
    },
    {
      "url": "https://github.com/AcademySoftwareFoundation/openexr/blob/69b2604fc76e370615438bdc8d2cd95b9349c12e/website/StandardAttributes.rst",
      "note": "ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page"
    },
    {
      "url": "https://cookeoptics.cn/wp-content/uploads/2021/11/Cooke-i-Technology-Part-I-2021.pdf",
      "note": "ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page"
    },
    {
      "url": "https://pub.smpte.org/pub/st2067-21/index.html",
      "note": "ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page"
    },
    {
      "url": "https://docs.acescentral.com/amf/specification/",
      "note": "observed URL (dated/alias form of the cited catalogue source; canonical identity retained)"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] Across the pipeline the slots differ: an ASC MHL manifest records file paths, sizes and hashes (optional custom metadata), not timecode or reel; AMF records the ACES colour pipeline and explicitly carries no timeline metadata such as edit points; OpenEXR offers optional timeCode, reelName and framesPerSecond attributes; the IMF Application 2E public page constrains colorimetry and references ST 2086 mastering-display metadata, with no timecode, ACES or CDL terms. Clip identity and timing therefore travel in ALE/EDL/EXR headers, colour intent in CDL/AMF/LUT sidecars, and lens data only as far as the camera records it. · locator: ASC MHL Specification v1.0 (CA-B353 readback); docs.acescentral.com AMF specification; OpenEXR website/StandardAttributes.rst at 69b2604; pub.smpte.org ST 2067-21 (IMF Application 2E) public page · source: https://github.com/ascmitc/mhl-specification/blob/54b7eea3059f15bd7330b86d9e1e268eb2dcf039/Specification/ASCMHL_Specification_v1.0.pdf

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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