Stamp & Verify

Drop here a file to stamp
OR
an .ots proof file to verify

The hash is calculated on your browser preserving your privacy. More...
Timestamping proof download will start automatically after uploading document.

Filter for "media" or search for extensions like .mp4 .

Right-click the found URL and select Open in new tab to save it. 3. Handling HLS and DASH Streams (.m3u8)

Right-click the page and select Inspect or press F12 . Step 2: Go to the Network tab and refresh the page. playerjs video downloader

Many PlayerJS instances use adaptive streaming formats like HLS ( .m3u8 ) or DASH, which break videos into hundreds of tiny segments. Standard "Save As" commands won't work here.

Click the download icon. If it’s an MP4 or MP3, it may open in a new tab; you can then use Ctrl + S (or Cmd + S on Mac) to save the file. Filter for "media" or search for extensions like

You can copy the .m3u8 link from the Network tab and use the "Convert/Save" feature in VLC to record and save the stream. 4. Third-Party Downloader Software

Python

Javascript

Java


$ pip3 install opentimestamps-client
$ ots stamp my-file


$ npm install -g javascript-opentimestamps
$ ots-cli.js stamp my-file


$ git clone https://github.com/opentimestamps/java-opentimestamps
$ cd java-opentimestamps
$ mvn install
$ java -jar target/OtsCli.jar stamp my-file

Calendars

The following are the, free to use, default calendars used by OpenTimestamps. They rely on donations to reduce maintainers efforts, they accept bitcoin and some accept lightning network payments. Check the calendars uptime.

Alice

Bob

Finney

Catallaxy

Playerjs Video |top| Downloader Direct

Filter for "media" or search for extensions like .mp4 .

Right-click the found URL and select Open in new tab to save it. 3. Handling HLS and DASH Streams (.m3u8)

Right-click the page and select Inspect or press F12 . Step 2: Go to the Network tab and refresh the page.

Many PlayerJS instances use adaptive streaming formats like HLS ( .m3u8 ) or DASH, which break videos into hundreds of tiny segments. Standard "Save As" commands won't work here.

Click the download icon. If it’s an MP4 or MP3, it may open in a new tab; you can then use Ctrl + S (or Cmd + S on Mac) to save the file.

You can copy the .m3u8 link from the Network tab and use the "Convert/Save" feature in VLC to record and save the stream. 4. Third-Party Downloader Software

Playerjs Video |top| Downloader Direct

OpenTimestamps aims to be a standard format for blockchain timestamping.

Stamp & Verify

Stamp & Verify

Timestamp of

Calendars

Playerjs Video |top| Downloader Direct

Repositories