---
title: "One batch's signed tree head and its witness co-signatures (GitHub OIDC tokens whose audience is the head's digest)"
method: GET
path: "/api/v1/log/sth/{batch}"
---

# One batch's signed tree head and its witness co-signatures (GitHub OIDC tokens whose audience is the head's digest)

`GET /api/v1/log/sth/{batch}`

## Request

- Base URL: `https://crawlcheck.io`
- URL: `https://crawlcheck.io/api/v1/log/sth/{batch}`
- Auth: none required

## Path parameters

- `batch` integer, required

## Response `200`

sth

- object, nullable
  - `sth` object, nullable
    - `kind` string, nullable
    - `v` number, nullable
    - `log_id` string, nullable
    - `batch` number, nullable
    - `first_index` number, nullable
    - `batch_size` number, nullable
    - `tree_size` number, nullable
    - `batch_root` unknown
    - `prev_sth_sha256` unknown
    - `created_at` string, nullable
    - `sha256` unknown
    - `signature` unknown
  - `witnesses` object[], nullable
    - `batch` number, nullable
    - `sth_sha256` unknown
    - `witness` unknown
    - `token` unknown

## Other responses

- `404`: no such batch

---

[API](https://skmtc.dev/crawlcheck/apis/crawlcheck-api.md) · [All operations](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/revisions/57acbd6d4489?raw)