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Pick an object that you know has been ingested via the metadata activity stream, and retrieve the manifest its unit code and CMS ID:
e.g.
https://manifests.collections.yale.edu/ycba/38803 (V3)
https://manifests.collections.yale.edu/v2/ycba/38803 (V2)
Does it conform to the IIIF presentation API version 3?
Does it contain the correct list of canvases and images according to the access level (cds_acces_master, cds_access_tiff, cds_access_jpeg)?
Do the canvas and image items have correct width and height values that conforms to the size limits (cds_maxsize_tiff and cds_maxsize_jpeg)?
Does it contain the correct metadata?
Does it contain links to stock TIFFs and/or master media files when applicable?
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Check the image for its quality.
Is the full size image conform to the size limit set by cds_maxsize_jpeg?
Non-IIIF contents
e.g.
https://media.collections.yale.edu/print/ycba/c5bad9c0-24f7-482c-9852-f6a554a4314a.tif
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