{
  "x402Version": 2,
  "id": 55188,
  "slug": "55188",
  "resource": "https://sicher.halowerk.com/v1/log-chain-verify",
  "description": "Recomputes every record hash from a canonical JSON representation of id, sequence, timestamp, previous_hash and payload, then checks that each record points to the hash of the record before it. If a root_hash is supplied, the same computed record hashes are folded into a deterministic binary Merkle tree with the last leaf duplicated on odd levels.",
  "type": "http",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    }
  ],
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "records": [
              {
                "hash": "7f07223905bb01a5b3f2eda8a61c69280b6e75c938712afcb187bbf2a0d696c4",
                "id": "evt-001",
                "payload": {
                  "action": "created",
                  "actor": "build-bot",
                  "subject": "release-2026.08.19"
                },
                "previous_hash": null,
                "sequence": 1,
                "timestamp": "2026-08-19T09:00:00Z"
              },
              {
                "hash": "4584b3d398d3dd075f43d61a2c44991c61d3183c22243582c367cdccb1af664c",
                "id": "evt-002",
                "payload": {
                  "action": "approved",
                  "actor": "release-manager",
                  "subject": "release-2026.08.19"
                },
                "previous_hash": "7f07223905bb01a5b3f2eda8a61c69280b6e75c938712afcb187bbf2a0d696c4",
                "sequence": 2,
                "timestamp": "2026-08-19T09:01:00Z"
              }
            ],
            "root_hash": "f6e5b0a2eeed0102fcdd3480a6f7a851bb55679f2d3c7e532df3780f46c1b426"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "records": {
                    "description": "Audit records in chain order.",
                    "items": {
                      "additionalProperties": false,
                      "properties": {
                        "hash": {
                          "description": "Claimed SHA-256 hash of this record.",
                          "maxLength": 71,
                          "minLength": 64,
                          "type": "string"
                        },
                        "id": {
                          "description": "Stable event id.",
                          "maxLength": 160,
                          "minLength": 1,
                          "type": "string"
                        },
                        "payload": {
                          "description": "Event payload to include in the record hash."
                        },
                        "previous_hash": {
                          "anyOf": [
                            {
                              "maxLength": 71,
                              "minLength": 64,
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ],
                          "description": "Hash of the previous record, or null for the first record."
                        },
                        "sequence": {
                          "description": "Monotonic event position.",
                          "maximum": 1000000000,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "timestamp": {
                          "description": "Event time as supplied by the log producer.",
                          "maxLength": 80,
                          "minLength": 1,
                          "type": "string"
                        }
                      },
                      "required": [
                        "id",
                        "sequence",
                        "timestamp",
                        "previous_hash",
                        "payload",
                        "hash"
                      ],
                      "type": "object"
                    },
                    "maxItems": 500,
                    "minItems": 1,
                    "type": "array"
                  },
                  "require_monotonic_sequence": {
                    "default": true,
                    "description": "Require sequence numbers to increase by one.",
                    "type": "boolean"
                  },
                  "root_hash": {
                    "description": "Optional claimed Merkle root over the computed record hashes.",
                    "maxLength": 71,
                    "minLength": 64,
                    "type": "string"
                  }
                },
                "required": [
                  "records"
                ],
                "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"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "sicher.halowerk.com",
  "lastUpdated": "2026-10-08T05:40:41.759Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 4,
    "lastCalledAt": "2026-10-08T05:40:41.286Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "records": [
                {
                  "hash": "7f07223905bb01a5b3f2eda8a61c69280b6e75c938712afcb187bbf2a0d696c4",
                  "id": "evt-001",
                  "payload": {
                    "action": "created",
                    "actor": "build-bot",
                    "subject": "release-2026.08.19"
                  },
                  "previous_hash": null,
                  "sequence": 1,
                  "timestamp": "2026-08-19T09:00:00Z"
                },
                {
                  "hash": "4584b3d398d3dd075f43d61a2c44991c61d3183c22243582c367cdccb1af664c",
                  "id": "evt-002",
                  "payload": {
                    "action": "approved",
                    "actor": "release-manager",
                    "subject": "release-2026.08.19"
                  },
                  "previous_hash": "7f07223905bb01a5b3f2eda8a61c69280b6e75c938712afcb187bbf2a0d696c4",
                  "sequence": 2,
                  "timestamp": "2026-08-19T09:01:00Z"
                }
              ],
              "root_hash": "f6e5b0a2eeed0102fcdd3480a6f7a851bb55679f2d3c7e532df3780f46c1b426"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "records": {
                      "description": "Audit records in chain order.",
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "hash": {
                            "description": "Claimed SHA-256 hash of this record.",
                            "maxLength": 71,
                            "minLength": 64,
                            "type": "string"
                          },
                          "id": {
                            "description": "Stable event id.",
                            "maxLength": 160,
                            "minLength": 1,
                            "type": "string"
                          },
                          "payload": {
                            "description": "Event payload to include in the record hash."
                          },
                          "previous_hash": {
                            "anyOf": [
                              {
                                "maxLength": 71,
                                "minLength": 64,
                                "type": "string"
                              },
                              {
                                "type": "null"
                              }
                            ],
                            "description": "Hash of the previous record, or null for the first record."
                          },
                          "sequence": {
                            "description": "Monotonic event position.",
                            "maximum": 1000000000,
                            "minimum": 0,
                            "type": "integer"
                          },
                          "timestamp": {
                            "description": "Event time as supplied by the log producer.",
                            "maxLength": 80,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "id",
                          "sequence",
                          "timestamp",
                          "previous_hash",
                          "payload",
                          "hash"
                        ],
                        "type": "object"
                      },
                      "maxItems": 500,
                      "minItems": 1,
                      "type": "array"
                    },
                    "require_monotonic_sequence": {
                      "default": true,
                      "description": "Require sequence numbers to increase by one.",
                      "type": "boolean"
                    },
                    "root_hash": {
                      "description": "Optional claimed Merkle root over the computed record hashes.",
                      "maxLength": 71,
                      "minLength": 64,
                      "type": "string"
                    }
                  },
                  "required": [
                    "records"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "sicher.halowerk.com",
    "manifest_name": "sicher.halowerk.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"
  }
}