.orcDistinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.
Case variants in archive: .orc (811.4K), .ORC (656), .OrC (13), .Orc (13) — aggregated above.
This extension is attributed to Csound as primary by 2 authoritative claims.
.orc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Csound | linguist | primary |
| Csound | pygments | primary |
.orc on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| Apache ORC Q60767426 column-oriented data storage format of the Apache Hadoop ecosystem | free software; file format | — | — | — | Use as new PL ↗ |
| Csound Orchestra Q105855681 file format | file format | — | audio/csound | — | Use as new PL ↗ |
| Oracle Password Hash Q122228898 file format | file format | — | — | — | Use as new PL ↗ |