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.
After his family is slaughtered by demons, Tanjiro Kamado joins the Demon Slayer Corps to find a cure for his sister, who has been turned into a demon.
A popular high school student discovers a passion for oil painting and decides to aim for Japan’s most prestigious art university. How to Choose?
The best part about anime and manga is that the community is always growing. Once you finish one, there are decades of history to explore!
A spy, an assassin, and a telepathic child all pretend to be a normal family for their own secret reasons. None of them (except the kid) know each other’s secrets. download my stepbro is a femboy hentai game v10 exclusive
These series have defined the current era of pop culture. If you haven’t seen these, they are the perfect starting point. The Vibe: Action-packed, emotional, and visually stunning.
The animation by studio ufotable is arguably the best in the industry, and the story is a classic tale of sibling bonds. Jujutsu Kaisen
Go with My Hero Academia or Jujutsu Kaisen . After his family is slaughtered by demons, Tanjiro
Humanity lives inside walled cities to hide from giant man-eating Titans. When the walls are breached, the world turns into a brutal mystery.
Try Death Note or Monster .
Python
Javascript
Java
$ pip3 install opentimestamps-client
$ ots stamp my-file
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$ npm install -g javascript-opentimestamps
$ ots-cli.js stamp my-file
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$ git clone https://github.com/opentimestamps/java-opentimestamps
$ cd java-opentimestamps
$ mvn install
$ java -jar target/OtsCli.jar stamp my-file
More
After his family is slaughtered by demons, Tanjiro Kamado joins the Demon Slayer Corps to find a cure for his sister, who has been turned into a demon.
A popular high school student discovers a passion for oil painting and decides to aim for Japan’s most prestigious art university. How to Choose?
The best part about anime and manga is that the community is always growing. Once you finish one, there are decades of history to explore!
A spy, an assassin, and a telepathic child all pretend to be a normal family for their own secret reasons. None of them (except the kid) know each other’s secrets.
These series have defined the current era of pop culture. If you haven’t seen these, they are the perfect starting point. The Vibe: Action-packed, emotional, and visually stunning.
The animation by studio ufotable is arguably the best in the industry, and the story is a classic tale of sibling bonds. Jujutsu Kaisen
Go with My Hero Academia or Jujutsu Kaisen .
Humanity lives inside walled cities to hide from giant man-eating Titans. When the walls are breached, the world turns into a brutal mystery.
Try Death Note or Monster .
Client
Client tool to perform stamping of files through a calendar server and to verify OpenTimestamps proof
opentimestamps-clientServer
Calendar Server receiving timestamp request from clients
opentimestamps-serverPython
Common library
python-opentimestampsJavascript
Common library & Client tool
javascript-opentimestampsJava
Common library & Client tool
java-opentimestampsRust
Rust library
rust-opentimestamps