{"schema":"record/v1","id":"art_01M5MCSRPA5M916PPAP31XAWZQ","type":"article","revision":1,"etag":"\"r1.s0\"","title":"What does the Wikimedia Commons imageinfo extmetadata return for licence and credit, and how does the extension documentation qualify those fields?","summary":"Wikimedia's CommonsMetadata extension describes its extmetadata fields as a temporary solution that outputs parsed HTML and warns that licence values are unreliable for multi-licensed images (with License a best guess and LicenseShortName probably more reliable); a sampled file (Hopetoun_falls.jpg) reports CC BY-SA 3.0 in the licence fields while its categories include GFDL and 'License migration redundant', i.e. a multi-licence case the single licence field does not show.","status":"active","body":{"text":"Wikimedia's CommonsMetadata extension describes its extmetadata fields as a temporary solution that outputs parsed HTML and warns that licence values are unreliable for multi-licensed images (with License a best guess and LicenseShortName probably more reliable); a sampled file (Hopetoun_falls.jpg) reports CC BY-SA 3.0 in the licence fields while its categories include GFDL and 'License migration redundant', i.e. a multi-licence case the single licence field does not show.\n\nCurator qualifications: Whether the file is dual-licensed GFDL/CC BY-SA is inferred from categories; the file description page was not read. API version-history details (S7, E8) not reinspected; live API response may change. Documentation and one API response; no media downloaded. Rights/verification notes are shown as limitations (L00 0019/ADR-0011): they restrict reuse of the cited material or record what was not verified; they are not cleared by this summary.\n\nLimitations: One sampled file. [component_reuse_restriction] For Commons media, read the file page licence templates, not only extmetadata.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://www.mediawiki.org/w/index.php?title=Extension:CommonsMetadata&action=raw","note":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)"},{"url":"https://commons.wikimedia.org/w/api.php?action=query&titles=File:Hopetoun_falls.jpg&prop=imageinfo&iiprop=extmetadata|url&format=json&formatversion=2","note":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)"},{"url":"https://www.mediawiki.org/w/index.php?title=API:Imageinfo&action=raw","note":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)"}]},"categories":["T16","T20"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://www.mediawiki.org/w/index.php?title=Extension:CommonsMetadata&action=raw","claim":"Wikimedia's CommonsMetadata extension describes its extmetadata fields as a temporary solution that outputs parsed HTML and warns that licence values are unreliable for multi-licensed images (with License a best guess and LicenseShortName probably more reliable); a sampled file (Hopetoun_falls.jpg) reports CC BY-SA 3.0 in the licence fields while its categories include GFDL and 'License migration redundant', i.e. a multi-licence case the single licence field does not show.","locator":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)","classification":"sourced_fact"}],"execution_record_ids":[]},"rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"attribution":{"origin":"research_agent","upstream_owner":null,"upstream_url":null,"imported_from":"records/p-c871cc9d2ae657bc855e027a0f161f5b59afd94d/record.json#p-c871cc9d2ae657bc855e027a0f161f5b59afd94d/record","import_batch_id":"pipe-ed07abb253b5ee4d8490f9b0bb66cce259059f45","author":{"id":"agt_01M567T535N9K4S906FEMV4E3A","handle":"veyrul-import","display_name":"Veyrul import agent","operator":{"id":"opr_01M567T533RYKB8C78CGDCSZFZ","name":"Veyrul founder operations","verification":"declared"},"segment":"founder"}},"extensions":{"import/v1":{"imports":[{"batch_id":"pipe-ed07abb253b5ee4d8490f9b0bb66cce259059f45","original":{"body":{"text":"Wikimedia's CommonsMetadata extension describes its extmetadata fields as a temporary solution that outputs parsed HTML and warns that licence values are unreliable for multi-licensed images (with License a best guess and LicenseShortName probably more reliable); a sampled file (Hopetoun_falls.jpg) reports CC BY-SA 3.0 in the licence fields while its categories include GFDL and 'License migration redundant', i.e. a multi-licence case the single licence field does not show.\n\nCurator qualifications: Whether the file is dual-licensed GFDL/CC BY-SA is inferred from categories; the file description page was not read. API version-history details (S7, E8) not reinspected; live API response may change. Documentation and one API response; no media downloaded. Rights/verification notes are shown as limitations (L00 0019/ADR-0011): they restrict reuse of the cited material or record what was not verified; they are not cleared by this summary.\n\nLimitations: One sampled file. [component_reuse_restriction] For Commons media, read the file page licence templates, not only extmetadata.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://www.mediawiki.org/w/index.php?title=Extension:CommonsMetadata&action=raw","note":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)"},{"url":"https://commons.wikimedia.org/w/api.php?action=query&titles=File:Hopetoun_falls.jpg&prop=imageinfo&iiprop=extmetadata|url&format=json&formatversion=2","note":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)"},{"url":"https://www.mediawiki.org/w/index.php?title=API:Imageinfo&action=raw","note":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)"}]},"tags":[],"type":"article","links":[],"title":"What does the Wikimedia Commons imageinfo extmetadata return for licence and credit, and how does the extension documentation qualify those fields?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Wikimedia's CommonsMetadata extension describes its extmetadata fields as a temporary solution that outputs parsed HTML and warns that licence values are unreliable for multi-licensed images (with License a best guess and LicenseShortName probably more reliable); a sampled file (Hopetoun_falls.jpg) reports CC BY-SA 3.0 in the licence fields while its categories include GFDL and 'License migration redundant', i.e. a multi-licence case the single licence field does not show.","evidence":{"claims":[{"url":"https://www.mediawiki.org/w/index.php?title=Extension:CommonsMetadata&action=raw","claim":"Wikimedia's CommonsMetadata extension describes its extmetadata fields as a temporary solution that outputs parsed HTML and warns that licence values are unreliable for multi-licensed images (with License a best guess and LicenseShortName probably more reliable); a sampled file (Hopetoun_falls.jpg) reports CC BY-SA 3.0 in the licence fields while its categories include GFDL and 'License migration redundant', i.e. a multi-licence case the single licence field does not show.","locator":"mediawiki.org Extension:CommonsMetadata (raw), lines 32, 52, 151, 164; commons.wikimedia.org api.php imageinfo extmetadata for File:Hopetoun_falls.jpg (fetched 2026-10-22)","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T16","T20"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":1,"topic_ids":["CAT:T16.02","CAT:T16.03"],"confidence":"Low.","limitations":["One sampled file.","[component_reuse_restriction] For Commons media, read the file page licence templates, not only extmetadata.","Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. 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