Candidate Ranking with Verifiable Decision Receipts

The workflow JSON

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{
  "name": "Candidate Ranking with Verifiable Decision Receipts",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "candidate-ranking",
        "options": {},
        "responseMode": "responseNode"
      },
      "id": "c77e284f-9e9e-44eb-be6d-94c7d273cdbd",
      "name": "Candidate Ranking",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2.1,
      "position": [
        0,
        300
      ]
    },
    {
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o",
          "cachedResultName": "GPT-4O"
        },
        "messages": {
          "values": [
            {
              "role": "system",
              "content": "=You are an HR ranking AI. Rank candidates and return JSON: {\"ranked\":[{\"name\":\"...\",\"score\":0}],\"reason\":\"...\"}."
            },
            {
              "content": "=Return JSON only.\n\nInput:\n{{ JSON.stringify($json.body) }}"
            }
          ]
        },
        "jsonOutput": true,
        "options": {}
      },
      "id": "455b3916-d79a-417d-99c6-44def86f2ed0",
      "name": "AI Decision",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 2.1,
      "position": [
        220,
        300
      ],
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "generateReceipt",
        "agentName": "RankingAgent",
        "workflowName": "={{ $workflow.name }}",
        "action": "={{ 'AI decision: ' + ($json.message.content.decision || $json.message.content.recommendation || 'completed') }}",
        "decision": "={{ JSON.stringify($json.message.content) }}",
        "additionalFields": {
          "modelProvider": "openai",
          "modelUsed": "gpt-4o",
          "decisionType": "candidate_ranking",
          "riskLevel": "high",
          "humanReview": true,
          "policies": "eu-ai-act-high-risk, eeoc-fairness",
          "permissions": "candidate.rank",
          "tags": "hr, hiring, ai-act"
        }
      },
      "id": "895b9479-6169-4b1b-99a0-ef8af6c225d2",
      "name": "Signatrust: Receipt",
      "type": "n8n-nodes-signatrust.signatrust",
      "typeVersion": 1,
      "position": [
        440,
        300
      ],
      "credentials": {
        "signatrustApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "append",
        "documentId": {
          "__rl": true,
          "mode": "id",
          "value": "REPLACE_SHEET_ID"
        },
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "Sheet1",
          "cachedResultName": "Sheet1"
        },
        "columns": {
          "mappingMode": "autoMapInputData",
          "value": {},
          "matchingColumns": []
        },
        "options": {}
      },
      "id": "4582183d-7d5a-4ec1-b7a4-027afb9b0e96",
      "name": "Log to Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 4.5,
      "position": [
        660,
        300
      ],
      "credentials": {
        "googleSheetsOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "content": "## Candidate Ranking with Verifiable Decision Receipts\n**Why Signatrust?** Every AI decision here becomes a tamper-evident, Ed25519-signed receipt \u2014 verifiable for audits and disputes.",
        "height": 170,
        "width": 420,
        "color": 5
      },
      "id": "9d061a9d-6e9a-4835-a4aa-1f25dd295c33",
      "name": "Sticky Note 9d33c9",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -40,
        40
      ]
    }
  ],
  "connections": {
    "Candidate Ranking": {
      "main": [
        [
          {
            "node": "AI Decision",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Decision": {
      "main": [
        [
          {
            "node": "Signatrust: Receipt",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Signatrust: Receipt": {
      "main": [
        [
          {
            "node": "Log to Sheet",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "tags": [
    {
      "name": "Candidate Ranking \u2014 hr"
    },
    {
      "name": "Candidate Ranking \u2014 hiring"
    },
    {
      "name": "Candidate Ranking \u2014 ai-act"
    },
    {
      "name": "Signatrust (14)"
    }
  ],
  "meta": {
    "templateCredsSetupCompleted": false
  },
  "versionId": "4e18d484-162b-4c08-9ab1-2dfa7abfd4c8"
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• googleSheetsOAuth2Api
• openAiApi
• signatrustApi

About this workflow

Candidate Ranking with Verifiable Decision Receipts. Uses openAi, n8n-nodes-signatrust, googleSheets. Webhook trigger; 5 nodes.

Source: https://github.com/abokenan444/n8n-signatrust-workflows/blob/main/workflows/14-candidate-ranking-batch.json — original creator credit. Request a take-down →

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