{
  "x402Version": 2,
  "id": 28405,
  "slug": "28405",
  "resource": "https://mimirapi.com/v1/provenance/certificate",
  "description": "Chain-of-custody license certificate for any digital asset: a SHA-256 content hash bound to issuer, subject, and license terms under an HMAC-SHA-256 signature. Deterministic, portable, and verifiable through the issuer while the current HMAC v1 profile is active — a receipt an agent can carry to record what it licensed, from whom, and on what terms.",
  "type": "http",
  "serviceName": "MimirAPI",
  "resourceType": "Identity & Enrichment",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x40e5A6647803c2DD686049dcDC5F9c34817D7a7F",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "250000",
      "amountUsd": 0.25,
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "certificate": {
            "type": "object"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "contentHash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
            "license": "CC-BY-4.0",
            "subject": "did:web:agent.example.com"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "certificate": {
              "alg": "HMAC-SHA-256",
              "contentHash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
              "issuedAt": "2026-07-21T00:00:00.000Z",
              "issuer": "MimirAPI",
              "license": "CC-BY-4.0",
              "signature": "9b1a…hex HMAC-SHA-256…",
              "subject": "did:web:agent.example.com"
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "contentHash": {
                    "description": "SHA-256 hex of the asset",
                    "type": "string"
                  },
                  "license": {
                    "type": "string"
                  },
                  "subject": {
                    "type": "string"
                  }
                },
                "required": [
                  "contentHash",
                  "subject",
                  "license"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "certificate": {
                    "type": "object"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "provenance",
    "license",
    "certificate",
    "signing",
    "trust",
    "bazaar"
  ],
  "sourceHost": "mimirapi.com",
  "lastUpdated": "2026-10-04T11:17:59.412Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-04T11:17:59.172Z"
  },
  "metadata": {
    "serviceName": "MimirAPI",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "contentHash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
              "license": "CC-BY-4.0",
              "subject": "did:web:agent.example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "certificate": {
                "alg": "HMAC-SHA-256",
                "contentHash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                "issuedAt": "2026-07-21T00:00:00.000Z",
                "issuer": "MimirAPI",
                "license": "CC-BY-4.0",
                "signature": "9b1a…hex HMAC-SHA-256…",
                "subject": "did:web:agent.example.com"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "contentHash": {
                      "description": "SHA-256 hex of the asset",
                      "type": "string"
                    },
                    "license": {
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "contentHash",
                    "subject",
                    "license"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "certificate": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "mimirapi.com",
    "manifest_name": "mimirapi.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "certificate": {
      "alg": "HMAC-SHA-256",
      "contentHash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
      "issuedAt": "2026-07-21T00:00:00.000Z",
      "issuer": "MimirAPI",
      "license": "CC-BY-4.0",
      "signature": "9b1a…hex HMAC-SHA-256…",
      "subject": "did:web:agent.example.com"
    }
  }
}