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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). OPA. Retrieved November 10, 2026, from https://4ort.xyz/entity/opa-q362169
MLA “OPA.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/opa-q362169.
BibTeX @misc{4ortxyz_opa-q362169_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{OPA}}, year = {2026}, url = {https://4ort.xyz/entity/opa-q362169}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): OPA — https://4ort.xyz/entity/opa-q362169 (retrieved 2026-11-10)

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