> ## Documentation Index
> Fetch the complete documentation index at: https://docs.timelockdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Verify Evidence

No authentication required. Public endpoint to verify an evidence record's blockchain proof and TSA timestamp. Pass the external ID of the evidence to get its full verification data.


## OpenAPI

````yaml GET /merkle/verify/{evidenceId}
openapi: 3.0.0
info:
  title: TimeLockData API
  description: Public API for evidence management and blockchain traceability
  version: 1.0.0
  contact: {}
servers:
  - url: https://api.timelockdata.com/api/v1
    description: Production
security: []
tags: []
paths:
  /merkle/verify/{evidenceId}:
    get:
      tags:
        - Merkle Tree
      summary: 'Public: get blockchain and TSA proof for an evidence (Evidence)'
      operationId: MerkleController_getEvidenceProof
      parameters:
        - name: evidenceId
          required: true
          in: path
          description: External Evidence ID
          schema:
            type: string
      responses:
        '200':
          description: Evidence proof information
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EvidenceProofResponse'
components:
  schemas:
    EvidenceProofResponse:
      type: object
      properties:
        status:
          type: string
          description: Response status
        evidenceId:
          type: string
          description: Evidence ID (external Evidence ID)
        txId:
          type: string
          description: Blockchain transaction ID of the evidence creation
        blockNumber:
          type: number
          description: Block number of the evidence creation
        createdAt:
          type: string
          description: evidence creation timestamp (ISO 8601)
        fileCount:
          type: number
          description: Number of files attached
        merkle:
          type: object
          description: Merkle proof info (if batched)
        tsa:
          type: object
          description: TSA proof info (if sealed)
        error:
          type: string
          description: Error message
      required:
        - status

````