One daily audit anchor

GET /v1/audit-anchors/{day}

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

A CMS signature (PKCS#7 with the body attached) by default; ?format=json returns the body and the signature as JSON. The day is the Asia/Almaty calendar day, YYYY-MM-DD. Verify offline with tanba-verify anchor FILE.p7s --ca root.pem.

Authentication

None. This call is public.

Parameters

Name	In	Type	Required	Description	Example
`day`	path	string	yes	The Asia/Almaty day, `YYYY-MM-DD`.	`2026-10-05`
`format`	query	string	no	Set to `json` to get JSON instead of the page or the signed file. json	`json`

Responses

200 The anchor.

`application/pkcs7-signature`

`application/json`

Name	Type	Required	Description	Example
`day`	string (date)	yes	The Asia/Almaty day of the anchor.	`"2026-10-05"`
`signed_at`	string	yes	When the anchor was signed.	`"2026-10-06T00:05:12+05:00"`
`body`	object	yes	The anchor body: the head of the audit chain of that day.
`signature`	string	yes	Base64 of the signature over the body.	`"MIIBpQYJKoZIhvcNAQcCoIIBljCCAZICAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwE="`

Example

{
  "day": "2026-10-05",
  "signed_at": "2026-10-06T00:05:12+05:00",
  "body": {},
  "signature": "MIIBpQYJKoZIhvcNAQcCoIIBljCCAZICAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwE="
}

Errors

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

Status	Meaning
404	Nothing there, or not visible to the caller.
429	Rate limit; see `Retry-After`.

Code samples

curl

curl 'https://verify.tanba-ooh.kz/v1/audit-anchors/2026-10-05'

Python

import requests

response = requests.get(
    "https://verify.tanba-ooh.kz/v1/audit-anchors/2026-10-05",
)
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/2026-10-05", 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))
}