@umarise/anchor

Minimal SDK for the Umarise Core v1 Anchoring API. Zero dependencies. <4 KB gzipped.

Install

npm install @umarise/anchor

Usage

import { anchor, hashBuffer } from '@umarise/anchor';
import { readFileSync } from 'fs';

const hash = await hashBuffer(readFileSync('contract.pdf'));
const result = await anchor(hash, { apiKey: process.env.UMARISE_API_KEY });
console.log(`Origin: ${result.originId}`);

API

• anchor(hash, options) — Register a hash. Requires API key. Returns originId.
• verify(hash) — Check if a hash exists. No API key needed.
• proof(originId) — Download .ots proof. No API key needed.
• hashBuffer(buffer) — SHA-256 hash a buffer (async, Web Crypto).

Full reference: https://umarise.com/api-reference

License

Unlicense — Public Domain