TzStamp

Trusted timestamping on the Tezos blockchain.

Aggregator API

Public aggregator base URL

https://api.tzstamp.io

You can run your own aggregator server and use our management utility to deploy your own contract to any Tezos network.

Submit a hash for timestamping

POST /stamp

Submits a hash to be aggregated.

The Content-Type header must be one of application/json or application/x-www-form-urlencoded.

The payload must have a data field containing a hexadecimal representation of a SHA-256 hash.

The server will respond with a URL at which the proof will be published and seconds until next publication, not including time to on-chain inclusion and confirmation. The response will be plain text by default, but a JSON object can be requested with an Accept header with value application/json:

{
  "url": "https://api.tzstamp.io/proof/01234...",
  "secondsToPublication": "1000"
}

Example

$ curl https://api.tzstamp.io/stamp -d data=40cb6ac0645f648a12d0aab7df480796fc4165609a65ea430018d9b3af68b76d

Download a timestamp proof

GET /proof/:id

Retrieves a proof by ID from the server.

The server will respond with the one of the following:

Example

$ curl https://api.tzstamp.io/proof/80eb84095823ec33a1d00dadf844028082f384b760f189b7ccc442f7b5b63969 -o myfile.proof.json

Get the server status

GET /status

Fetches the current status of the server. Includes the following information:

The response will be plain text by default, but a JSON object can be requested with an Accept header with value application/json:

{
  "proofVersion": 1,
  "network": "NetXdQprcVkpaWU",
  "contract": "KT1NU6erpSTBphHi9fJ9SxuT2a6eTouoWSLj",
  "secondsToPublication": "1000"
}