AVP Webinar Series: Exactly

Friday, January 20th, 2017

This is the recording of an AVPreserve webinar given on the topic of our Exactly tool by Chris Lacinak on January 19th, 2017. Webinar description: For organizations challenged […]

Fixity Tutorial

Wednesday, July 9th, 2014

Fixity Tutorial OVERVIEW A short how-to and introduction to AVPreserve’s Fixity tool, a free, open source application that can support organizations or individuals by providing automated review, documentation […]

My Digitization Vendor Always Sends .md5 Files As Part Of Their Deliverables

Saturday, December 5th, 2015

A file’s checksum is a specially generated hash based on a computation of all of the individual bytes that make up the file. A variety of algorithms exist […]


Wednesday, March 4th, 2015

Fixity is a utility for the documentation and regular review of stored files. Fixity scans a folder or directory, creating a manifest of the files including their file paths and their checksums, against which a regular comparative analysis can be run. Fixity monitors file integrity through generatio

AVPreserve Announces Release of Fixity 0.5

Thursday, March 5th, 2015

AVPreserve is pleased to announce the latest release of our Fixity file monitoring and attendance tool. Fixity is a free application that monitors file integrity through the generation […]

Fixity Tutorial Now Available

Wednesday, July 9th, 2014

This week AVPreserve released version 0.4 of Fixity, our free file monitoring tool. Fixity allows users to schedule regular scans of folders or whole directories to check both file integrity against stored checksums and file attendance against filesystem locations (i.e., have files been added, moved

Fixity 0.4 With OSX Support Released

Tuesday, July 8th, 2014

AVPreserve is excited to announce the release of Fixity version 0.4, our free file monitoring application. This release is exciting because after months of development and testing we can now offer support for 64-bit Mac OSX systems, greatly increasing the usability of this tool. The Mac and PC versi

Fixity and Filesystems: Enhanced System Monitoring via inodes

Monday, July 7th, 2014

A PDF version of this article is available here.

If you have explored our checksum tool, Fixity, you may have noticed that it tracks a third value alongside the expected filepath and checksum value of files. This value is the file’s index location, which is crucial to the operation of the filesys

Fixity and Filesystems: Enhanced System Monitoring via inodes

Monday, July 7th, 2014

The latest technical brief from Digital & Metadata Preservation Specialist Alex Duryee explores the use of inodes in the functionality of Fixity, our free digital preservation file monitoring tool. Fixity offers the unique capability of tracking file attendance as well as file integrity. In this