---
title: "Daily on-chain attestations of the fixing set (free)."
method: GET
path: "/v1/attestations"
tags: ["discovery"]
---

# Daily on-chain attestations of the fixing set (free).

`GET /v1/attestations`

## Request

- Base URL: `https://cloud.trycorpus.ai`
- URL: `https://cloud.trycorpus.ai/v1/attestations`
- Auth: none required

One record per store day: the keccak256 of the day's signed fixings file (served at /attest/<day>.json), the Ethereum Attestation Service UID and transaction on Base (eip155:8453), the publisher address and the schema UID. Re-hash the file bytes and compare with fixingsHash to verify; every row inside the file carries its own EIP-712 signature. See /governance.

## Response `200`

Attestations, newest first.

- object
  - `publisher` string, nullable
  - `chain` string
  - `eas` string
  - `schemaUid` string
  - `count` integer
  - `attestations` object[]
    - `day` string, date
    - `methodology` string
    - `count` integer
    - `fixingsHash` string
    - `uri` string
    - `tx` string
    - `uid` string, nullable
    - `attested_at` string, date-time

---

[API](https://skmtc.dev/trycorpus/apis/corpusai-cloud-pricing-api.md) · [All operations](https://skmtc.dev/trycorpus/apis/corpusai-cloud-pricing-api/llms.txt) · [OpenAPI document](https://skmtc.dev/trycorpus/apis/corpusai-cloud-pricing-api/revisions/cb0754f4d151?raw)