asset_001.jpg.link.v1 -> asset_001_v1.jpg asset_001.jpg.link.v2 -> asset_001_v2.jpg asset_001.jpg.link.latest -> asset_001.jpg.link.v2 “More filedot links” thus includes version pointers. 4.1 Broken Links Problem: JPG moved or deleted, but .link remains. Solution: Periodic validation cron job:
# Create filedot link file link_filename = f"record_id.file_hash[:8].jpg.link" link_full_path = Path(ams_link_dir) / link_filename with open(link_full_path, 'w') as lf: lf.write(f"real_path=jpg_path.resolve()\n") lf.write(f"md5=file_hash\n") lf.write("link_format=filedot_v1") AMS More Filedot Links jpg
for jpg_path in Path(jpg_folder).glob("*.jpg"): # Extract record ID from filename (e.g., "REC12345_page2.jpg") record_id = jpg_path.stem.split('_')[0] file_hash = hashlib.md5(jpg_path.read_bytes()).hexdigest() asset_001
import os, uuid, hashlib from pathlib import Path jpg_folder = "/incoming/scans" ams_link_dir = "/ams_data/jpg_links" Create a file_links table in your AMS database:
real_path=/storage/images/ab/cd/1234_original.jpg thumbnail=/storage/thumbs/ab/cd/1234_thumb.jpg metadata_checksum=sha256:... Create a file_links table in your AMS database:
For further reading, consult your AMS documentation on external file handling, and consider open standards like IIIF or W3C Web Annotations for next-generation linking. Now go link those JPGs.
| Domain | AMS Meaning | Relevance to JPG links | |--------|-------------|------------------------| | Academic Publishing | American Mathematical Society | Linking figures, proofs, scanned notes (JPGs) to article metadata | | Logistics / Customs | Automated Manifest System | Linking scanned shipping documents, container photos (JPGs) to bills of lading | | IT / Digital Asset Management | Asset Management System | Linking product images, thumbnails, high-res JPGs to asset records |