Latest daily audit anchors

GET /v1/audit-anchors

https://verify.tanba-ooh.kz/v1/audit-anchors

The newest 30 anchors, newest first. Each day the signer signs the head of the audit chain with the status key; the chain of anchors (prev_anchor_hash) and the signed files let anyone check that earlier audit entries were not changed. Served on the verify and app hosts, cached for 60 seconds.

Authentication

None. This call is public.

Responses

200 The anchors.

`application/json`

Name	Type	Required	Description	Example
`items`	array of AuditAnchorItem	yes	The anchors, newest first.
`items[].day`	string (date)	yes	The Asia/Almaty day the anchor covers.	`"2026-10-05"`
`items[].env`	string	yes	Environment the anchor belongs to. test, prod
`items[].first_id`	integer	yes	Number of the first audit event of the day.	`15021`
`items[].last_id`	integer	yes	Number of the last audit event of the day.	`15874`
`items[].event_count`	integer	yes	Number of audit events of the day.	`854`
`items[].head_hash`	string	yes	SHA-256 of the last audit event of the day, hex.	`"b958946e30b0a4e6e69434dde89c1b1d7b631bc091ff027b0668027f7dc07bf7"`
`items[].prev_anchor_hash`	string	yes	SHA-256 of the previous anchor body, hex; 64 zeros for the first.	`"672d8fb820c1922f71e00aff2be44d87bb1bef45300381ed434814cb4c6a6b65"`
`items[].signed_at`	string	yes	When the anchor was signed.	`"2026-10-06T00:05:12+05:00"`
`items[].url`	string	yes	Address of the signed anchor.	`"/v1/audit-anchors/2026-10-05"`

Example

{
  "items": [
    {
      "day": "2026-10-05",
      "env": "test",
      "first_id": 15021,
      "last_id": 15874,
      "event_count": 854,
      "head_hash": "b958946e30b0a4e6e69434dde89c1b1d7b631bc091ff027b0668027f7dc07bf7",
      "prev_anchor_hash": "672d8fb820c1922f71e00aff2be44d87bb1bef45300381ed434814cb4c6a6b65",
      "signed_at": "2026-10-06T00:05:12+05:00",
      "url": "/v1/audit-anchors/2026-10-05"
    }
  ]
}

Errors

Errors are problem documents (application/problem+json) with a stable code.

Status	Meaning
429	Rate limit; see `Retry-After`.

Code samples

curl

curl 'https://verify.tanba-ooh.kz/v1/audit-anchors'

Python

import requests

response = requests.get(
    "https://verify.tanba-ooh.kz/v1/audit-anchors",
)
print(response.status_code, response.text)

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	req, err := http.NewRequest("GET", "https://verify.tanba-ooh.kz/v1/audit-anchors", nil)
	if err != nil {
		panic(err)
	}
	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()
	data, _ := io.ReadAll(resp.Body)
	fmt.Println(resp.Status, string(data))
}