perpetual copyright
copyright that lasts indefinitely
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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). perpetual copyright. Retrieved May 7, 2026, from https://4ort.xyz/entity/perpetual-copyright
MLA
“perpetual copyright.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/perpetual-copyright.
BibTeX
@misc{4ortxyz_perpetual-copyright_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{perpetual copyright}}, year = {2026}, url = {https://4ort.xyz/entity/perpetual-copyright}, note = {Accessed: 2026-05-07}}
LLM prompt
According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): perpetual copyright — https://4ort.xyz/entity/perpetual-copyright (retrieved 2026-05-07)
Canonical URL: https://4ort.xyz/entity/perpetual-copyright · Last refreshed:
Edit History
Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.
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Subclass of → copyrightNational library of israel j9u id → 987007562848305171Freebase id → /m/05cnxqImported from → —+ 2 other properties edited (see Wikidata diff for full list)"/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007562848305171, mv to monolingual text names on J9U statements"
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