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+File Ingest Mode: 'component'
+=============================
+
+A new ingest type for downloading individual files which are a subset of a
+complete work.
+
+Some publishers now assign DOIs to individual figures, supplements, and other
+"components" of an over release or document.
+
+Initial mimetypes to allow:
+
+- image/jpeg
+- image/tiff
+- image/png
+- image/gif
+- audio/mpeg
+- video/mp4
+- video/mpeg
+- text/plain
+- text/csv
+- application/json
+- application/xml
+- application/pdf
+- application/gzip
+- application/x-bzip
+- application/x-bzip2
+- application/zip
+- application/x-rar
+- application/x-7z-compressed
+- application/x-tar
+- application/vnd.ms-powerpoint
+- application/vnd.ms-excel
+- application/msword
+- application/vnd.openxmlformats-officedocument.wordprocessingml.document
+- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
+
+Intentionally not supporting:
+
+- text/html
+
+
+## Fatcat Changes
+
+In the file importer, allow the additional mimetypes for 'component' ingest.
+
+
+## Ingest Changes
+
+Allow additional terminal mimetypes for 'component' crawls.
+
+
+## Examples
+
+Hundreds of thousands: <https://fatcat.wiki/release/search?q=type%3Acomponent+in_ia%3Afalse>
+
+#### ACS Supplement File
+
+<https://doi.org/10.1021/acscatal.0c02627.s002>
+
+Redirects directly to .zip in browser. SPN is blocked by cookie check.
+
+#### Frontiers .docx Supplement
+
+<https://doi.org/10.3389/fpls.2019.01642.s001>
+
+Redirects to full article page. There is a pop-up for figshare, seems hard to process.
+
+#### Figshare Single FIle
+
+<https://doi.org/10.6084/m9.figshare.13646972.v1>
+
+As 'component' type in fatcat.
+
+Redirects to a landing page. Dataset ingest seems more appropriate for this entire domain.
+
+#### PeerJ supplement file
+
+<https://doi.org/10.7717/peerj.10257/supp-7>
+
+PeerJ is hard because it redirects to a single HTML page, which has links to
+supplements in the HTML. Perhaps a custom extractor will work.
+
+#### eLife
+
+<https://doi.org/10.7554/elife.38407.010>
+
+The current crawl mechanism makes it seemingly impossible to extract a specific
+supplement from the document as a whole.
+
+#### Zookeys
+
+<https://doi.org/10.3897/zookeys.895.38576.figure53>
+
+These are extract-able.
+
+#### OECD PDF Supplement
+
+<https://doi.org/10.1787/f08c6324-en>
+<https://www.oecd-ilibrary.org/trade/imports-of-services-billions-of-us-dollars_f08c6324-en>
+
+Has an Excel (.xls) link, great, but then paywall.
+
+#### Direct File Link
+
+<https://doi.org/10.1787/888934207500>
+
+This one is also OECD, but is a simple direct download.
+
+#### Protein Data Base (PDB) Entry
+
+<https://doi.org/10.2210/pdb6ls2/pdb>
+
+Multiple files; dataset/fileset more appropriate for these.