@umarise/anchor

Umarise Core SDK. Hash-in, proof-out. Zero dependencies.

Install

npm install @umarise/anchor

Quick Start

import { UmariseCore, hashBytes } from '@umarise/anchor';
import { readFile } from 'fs/promises';

const core = new UmariseCore({ apiKey: 'um_...' });

const bytes = await readFile('./document.pdf');
const hash = await hashBytes(bytes);
const origin = await core.attest(hash);
console.log('Origin:', origin.origin_id);

API

Method	Auth	Description
`health()`	Public	API health check
`resolve({ originId })`	Public	Lookup by origin ID
`resolve({ hash })`	Public	Lookup by hash
`verify(hash)`	Public	Check if hash has attestation
`proof(originId)`	Public	Download .ots proof
`attest(hash)`	API Key	Create attestation
`hashBytes(data)`	—	SHA-256 hash utility

License

Unlicense (Public Domain)