{"@context":"http://iiif.io/api/presentation/3/context.json","id":"https://medex.aviaryplatform.com/iiif/kh0dv1dd9s/manifest","type":"Manifest","label":{"en":["3-Understanding Results"]},"logo":"https://d9jk7wjtjpu5g.cloudfront.net/organizations/logo_images/000/000/042/original/Medex_Forensics_Logo_White_2022_%281%29.png?1693506512","metadata":[{"label":{"en":["Description"]},"value":{"en":["\u003cp\u003eHow to interpret Medex results.\u003c/p\u003e"]}},{"label":{"en":["Language"]},"value":{"en":["English (primary)"]}},{"label":{"en":["Keyword"]},"value":{"en":["Project Results","File Results"]}}],"summary":{"en":["\u003cp\u003eHow to interpret Medex results.\u003c/p\u003e"]},"provider":[{"id":"https://medex.aviaryplatform.com/aboutus","type":"Agent","label":{"en":["Medex Forensics"]},"homepage":[{"id":"https://medex.aviaryplatform.com/","type":"Text","label":{"en":["Medex Forensics"]},"format":"text/html"}],"logo":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/organizations/logo_images/000/000/042/original/Medex_Forensics_Logo_White_2022_%281%29.png?1693506512","type":"Image"}]}],"thumbnail":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/collection_resource_files/thumbnails/000/111/987/small/3-Undertsanding_Results-optimized.mp4_1619810744.jpg?1619796348","type":"Image","format":"image/jpeg"}],"items":[{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987","type":"Canvas","label":{"en":["Media File 1 of 1 - 3-Undertsanding_Results-optimized.mp4"]},"duration":342.08,"width":640,"height":360,"thumbnail":[{"id":"https://d9jk7wjtjpu5g.cloudfront.net/collection_resource_files/thumbnails/000/111/987/small/3-Undertsanding_Results-optimized.mp4_1619810744.jpg?1619796348","type":"Image","format":"image/jpeg"}],"items":[{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/content/1","type":"AnnotationPage","items":[{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/content/1/annotation/1","type":"Annotation","motivation":"painting","body":{"id":"https://aviary-p-darkhorsepodcast.s3.wasabisys.com/collection_resource_files/resource_files/000/111/987/original/3-Undertsanding_Results-optimized.mp4?1619796343","type":"Video","format":"video/mp4","duration":342.08,"width":640,"height":360},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987","metadata":[]}]}],"annotations":[{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004","type":"AnnotationPage","label":{"en":["AUTO_TRINT_3-Undertsanding_Results-optimized.mp4 [Transcript]"]},"items":[{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/1","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"If enabled in these settings, Medex will alert user to a completed project by email. The project summary page will display an overview of results of the submitted files, starting with the project summary, as well as a breakdown of the number of files submitted, supported, and the number of files with the known signature.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=3.71,21.66"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/2","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"The lower portion of the page will display a quick look at the file's originating device, last generation, and modification potential. To view the full results for any file click the View Results Button to launch the file examination results page. From the final examination results page, we can see more detailed information about the file, including its checksum, as well as the Medex platform and reference library versions current as of this analysis.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=24.06,50.62"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/3","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"In looking at this file, we can see the originating device results, this information about the device that initially recorded this video is broken into two parts. The structural analysis section returns results based upon the submitted file structural signature match within the Medex Reference Library. For more information about structural signatures, please see the first video in the series titled Introduction to Medex.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=55.3,79.66"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/4","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"In this example, we have a complete file signature match indicated by the notation file signature match in green font. This means that the entire file structure of the submitted file matches the file structure created by both an Apple iPhone 11 and an iPhone 11 Pro. Below the structural analysis are the results of device classification.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=80.83,101.5"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/5","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"Device classification is based upon the file structural signature plus specific metadata values to provide a more distinct view of the originating device. In this case identifying it as an iPhone 11. It should be noted that device classification will not return a result unless there is a 90 percent or higher confidence in the brand or model being identified.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=103.18,124.27"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/6","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"Generational history identifies any subsequent methods of transmission or software that the submitted file may have touched or passed through based upon a structural signature. In this case, we can see the entry for the device camera, but no other software or transmission methods indicating that this is a camera original file from an iPhone 11. In the count column, we could see that there are two devices in the reference library that exhibit the same signature which correlates to the iPhone 11 and iPhone 11 Pro seen above.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=126.42,155.25"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/7","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"Below generational history, we could see various file metadata for our submitted file. As a tool designed for forensic use, Medex will also identify proprietary structural data that is not reported by traditional metadata parsing utilities. Although not decoded for the user, this information can be used to manually evaluate the hexadecimal data from a submitted file to gain insight into provenance and or authenticity.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=157.14,181.17"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/8","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"Back to the top of the page, we can see the modification testing results. It should be noted that the battery of modification and validation tests are aimed to detect any manipulation of the submitted file at the binary level, for example, manipulation of the files, date and time stamp or embedded GPS coordinates. Specific failed tests will be displayed in this area with varying degrees of detail based on a user's subscription level.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=183.57,207.42"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/9","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"In our next example, we can see a result of a non camera original file, the term non camera original can be used to identify any video whose generational history does not end with device camera. In this example, we could see that the file signature match shows that is consistent with a Samsung Galaxy Note 9 or Galaxy S8 Plus. Using device classification, we can see the originating device is the Note 9.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=212.5,238.55"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/10","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"When we look at the generational history results, it shows that this video being created on the device camera. In this case, a Note 9 being sent through WhatsApp. In this example, we could see a partial structural match denoted by the orange partial structural match text. This means that there is a match at a higher structural objects, but not every box within the file.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=239.89,262.48"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/11","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"When this result is returned, it can be thought about as painting an accurate picture of the structural match, but not as detailed as a complete match, which could be compared to a photograph. We can see that the structure in this file matches quite a few brands and devices, additionally, the vice classification returns a result that the originating device was a Samsung but does not meet the threshold to identify the model.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=264.55,286.88"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/12","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"In looking at generational history, we could see that the first entry where the file passed through FFmpeg was generated by 683 devices in the reference library. When we look at other entries FFmpeg or software that uses FFmpeg is present. This would lead us to believe that although we cannot identify the source device, it's very likely that this video was processed through FFmpeg and is not original imagery.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=288.47,314.7"},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/13","type":"Annotation","motivation":"transcribing","body":{"type":"TextualBody","value":"Our last example does not match any signature in the reference library. When this occurs, the file is assigned a temporary signature and flagged by Medex. When the reference library is updated, flagged file signatures will be automatically compared to new files in the reference library. If a match is found the user will be alerted by email if that option is enabled in their user settings.","format":"text/plain"},"target":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987#t=317.359,337.66"}]},{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004","type":"AnnotationPage","label":{"en":["English [Transcript]"]},"items":[{"id":"https://medex.aviaryplatform.com/collections/1452/collection_resources/40323/file/111987/transcript/25004/annotation/14","type":"Annotation","motivation":"subtitling","body":{"type":"TextualBody","value":"https://d9jk7wjtjpu5g.cloudfront.net/file_transcripts/associated_files/000/025/004/original/open-uri20210511-29468-1rcvo1o?1620777217","format":"text/vtt","language":"en"},"target":"https://d9jk7wjtjpu5g.cloudfront.net/file_transcripts/associated_files/000/025/004/original/open-uri20210511-29468-1rcvo1o?1620777217"}]}]}]}