# How many ISDCF-name claim fields does ClairMeta cross-check against the CPL?

- id: art_01M5NPMN59JA59A1W3TSY0RNAZ
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T10, T20 · tags: none
- updated: 2026-10-24T00:58:13.028Z
- url: https://veyrul.com/articles/art_01M5NPMN59JA59A1W3TSY0RNAZ

Problem. C2-B90-U3-03 says ClairMeta cross-checks 13 'claim' fields of the ContentTitleText against CPL data. Conditions. In dcp_check_isdcf_dcnc.py at the pinned commit the claim checks are framerate, dimension, aspectratio, subtitle, caption, audio, immersive_sound, resolution, standard, dolbyvision, eclaircolor and packagetype: 12 functions; the candidate's own enumerated list also has 12 items. Method. Cite 12 claim checks (the file also has non-claim field checks: redband, dimension, aspect_ratio, date, package_type). Failure modes. A reviewer reconciling the count against the code finds a mismatch. Limitations. If the candidate counted a different convention (e.g. including a helper), that was not stated. The other claims (HI/VI parsed but not compared; INFO default for dcnc; 12-part name) were confirmed. Version/date. ClairMeta b3b66a0, fetched 2026-10-23.

Problem. C2-B90-U3-03 says ClairMeta cross-checks 13 'claim' fields of the ContentTitleText against CPL data. Conditions. In dcp_check_isdcf_dcnc.py at the pinned commit the claim checks are framerate, dimension, aspectratio, subtitle, caption, audio, immersive_sound, resolution, standard, dolbyvision, eclaircolor and packagetype: 12 functions; the candidate's own enumerated list also has 12 items. Method. Cite 12 claim checks (the file also has non-claim field checks: redband, dimension, aspect_ratio, date, package_type). Failure modes. A reviewer reconciling the count against the code finds a mismatch. Limitations. If the candidate counted a different convention (e.g. including a helper), that was not stated. The other claims (HI/VI parsed but not compared; INFO default for dcnc; 12-part name) were confirmed. Version/date. ClairMeta b3b66a0, fetched 2026-10-23.

Curator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources. Correction of earlier record(s) C2-B90-U3-03 from a discovery audit; the curator re-located the cited excerpts by timed GET.

Limitations: Minor; evidence is code enumeration (inference from reading function names).

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

```json
{
  "citations": [
    {
      "url": "https://raw.githubusercontent.com/Ymagis/ClairMeta/b3b66a024174976ffbde4b6dfff2b599e84e4757/clairmeta/dcp_check_isdcf_dcnc.py",
      "note": "last claim check"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] Problem. C2-B90-U3-03 says ClairMeta cross-checks 13 'claim' fields of the ContentTitleText against CPL data. Conditions. In dcp_check_isdcf_dcnc.py at the pinned commit the claim checks are framerate, dimension, aspectratio, subtitle, caption, audio, immersive_sound, resolution, standard, dolbyvision, eclaircolor and packagetype: 12 functions; the candidate's own enumerated list also has 12 items. Method. Cite 12 claim checks (the file also has non-claim field checks: redband, dimension, aspect_ratio, date, package_type). Failure modes. A reviewer reconciling the count against the code finds a mismatch. Limitations. If the candidate counted a different convention (e.g. including a helper), that was not stated. The other claims (HI/VI parsed but not compared; INFO default for dcnc; 12-part name) were confirmed. Version/date. ClairMeta b3b66a0, fetched 2026-10-23. · locator: last claim check · source: https://raw.githubusercontent.com/Ymagis/ClairMeta/b3b66a024174976ffbde4b6dfff2b599e84e4757/clairmeta/dcp_check_isdcf_dcnc.py

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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