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Evidence row 3763692

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.fresh402.com/v3/contract-watch
Recorded
Previous row
#3064971
Body SHA-256
b76802aa5ae45f02cbdeaf9841b33ff0d20bf5d82dac1eaefbad422e523dbc8e
Leaf
0xcba13c2d92856b9b04864c33d3b307602beeb68824131946cb86c0c93e72d0f0

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.fresh402.com/v3/contract-watch"
    ]
  ],
  "name": "Fresh402",
  "owner_address": "0xfac492a8d7843c9afcca6a1691bccb5425ab14f3",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xFAC492A8D7843C9aFCCa6A1691BCCB5425ab14F3",
        "scheme": "exact"
      }
    ],
    "description": "Observe code, standard proxy slots, common getters, explicitly selected storage/ABI and bounded selected events at one finalized Base address; optionally compare an owned prior snapshot. Selected single-provider evidence only; unknown controls remain unknown. Parameters/recovery: https://fresh402.com/docs/tools#blockchain",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "block": "finalized",
              "chain_id": 8453
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "accounting": {
                "response_bytes": 1000,
                "rpc_requests": 10,
                "scope": "Illustrative domain preparation accounting; financial calls excluded.",
                "wire_response_bytes": 1500
              },
              "comparison": {
                "changes": [],
                "status": "unknown"
              },
              "event_coverage": {
                "status": "not_assessed"
              },
              "events": [],
              "limitations": [
                "Synthetic documentation example, not live-chain or safety evidence.",
                "Selected single-provider observations only; log completeness is not independently proven."
              ],
              "observation_saved": true,
              "persistence": "atomic_with_financial_delivery",
              "snapshot": {
                "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "block": {
                  "chain_id": 8453,
                  "finalized": true,
                  "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
                  "number": 1000,
                  "observed_at": "2026-10-24T00:00:00.000Z",
                  "parent_hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
                  "policy": "finalized",
                  "source": "example-provider",
                  "timestamp": 1000,
                  "trust": "Illustrative shape only; not observed chain evidence."
                },
                "fields": {},
                "warnings": []
              },
              "snapshot_id": "s_0000000000000000000000000000000000000000000000000000000000000000",
              "snapshot_saved": true,
              "tool": "fresh402_contract_watch"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "maxLength": 42,
                      "minLength": 42,
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "block": {
                      "const": "finalized",
                      "default": "finalized",
                      "type": "string"
                    },
                    "chain_id": {
                      "const": 8453,
                      "type": "number"
                    },
                    "event_topics": {
                      "default": [],
                      "items": {
                        "pattern": "^0x[a-fA-F0-9]{64}$",
                        "type": "string"
                      },
                      "maxItems": 1,
                      "type": "array"
                    },
                    "events_from_block": {
                      "maximum": 9007199254740991,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "previous_snapshot": {
                      "pattern": "^s_[a-f0-9]{64}$",
                      "type": "string"
                    },
                    "reads": {
                      "default": [],
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "inputs": {
                            "items": {
                              "not": {}
                            },
                            "maxItems": 0,
                            "minItems": 0,
                            "type": "array"
                          },
                          "name": {
                            "pattern": "^[a-zA-Z_][a-zA-Z0-9_]{0,63}$",
                            "type": "string"
                          },
                          "outputs": {
                            "items": {
                              "additionalProperties": false,
                              "properties": {
                                "type": {
                                  "enum": [
                                    "uint256",
                                    "uint8",
                                    "address",
                                    "bool",
                                    "bytes32"
                                  ],
                                  "type": "string"
                                }
                              },
                              "required": [
                                "type"
                              ],
                              "type": "object"
                            },
                            "maxItems": 1,
                            "minItems": 1,
                            "type": "array"
                          },
                          "stateMutability": {
                            "enum": [
                              "view",
                              "pure"
                            ],
                            "type": "string"
                          },
                          "type": {
                            "const": "function",
                            "type": "string"
                          }
                        },
                        "required": [
                          "type",
                          "name",
                          "stateMutability",
                          "inputs",
                          "outputs"
                        ],
                        "type": "object"
                      },
                      "maxItems": 1,
                      "type": "array"
                    },
                    "slots": {
                      "default": [],
                      "items": {
                        "pattern": "^0x[a-fA-F0-9]{64}$",
                        "type": "string"
                      },
                      "maxItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "chain_id",
                    "address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "anyOf": [
                    {
                      "additionalProperties": {},
                      "properties": {
                        "accounting": {
                          "additionalProperties": {},
                          "properties": {
                            "response_bytes": {
                              "maximum": 4194304,
                              "minimum": 0,
                              "type": "integer"
                            },
                            "rpc_requests": {
                              "maximum": 18,
                              "minimum": 1,
                              "type": "integer"
                            },
                            "scope": {
                              "minLength": 1,
                              "type": "string"
                            },
                            "wire_response_bytes": {
                              "maximum": 4194304,
                              "minimum": 0,
                              "type": "integer"
                            }
                          },
                          "required": [
                            "rpc_requests",
                            "response_bytes",
                            "wire_response_bytes",
                            "scope"
                          ],
                          "type": "object"
                        },
                        "comparison": {
                          "additionalProperties": {},
                          "properties": {
                            "changes": {
                              "items": {},
                              "maxItems": 32,
                              "type": "array"
                            },
                            "status": {
                              "enum": [
                                "unknown",
                                "changed",
                                "unchanged"
                              ],
                              "type": "string"
                            }
                          },
                          "required": [
                            "status",
                            "changes"
                          ],
                          "type": "object"
                        },
                        "event_coverage": {
                          "additionalProperties": {},
                          "properties": {
                            "status": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "status"
                          ],
                          "type": "object"
                        },
                        "events": {
                          "items": {},
                          "maxItems": 100,
                          "type": "array"
                        },
                        "limitations": {
                          "items": {
                            "maxLength": 1024,
                            "type": "string"
                          },
                          "maxItems": 20,
                          "minItems": 1,
                          "type": "array"
                        },
                        "observation_saved": {
                          "const": true,
                          "type": "boolean"
                        },
                        "persistence": {
                          "enum": [
                            "atomic_with_financial_delivery",
                            "atomic_with_entitlement_delivery"
                          ],
                          "type": "string"
                        },
                        "snapshot": {
                          "additionalProperties": {},
                          "properties": {
                            "address": {
                              "pattern": "^0x[a-fA-F0-9]{40}$",
                              "type": "string"
                            },
                            "block": {
                              "additionalProperties": {},
                              "properties": {
                                "chain_id": {
                                  "const": 8453,
                                  "type": "number"
                                },
                                "finalized": {
                                  "const": true,
                                  "type": "boolean"
                                },
                                "hash": {
                                  "pattern": "^0x[a-f0-9]{64}$",
                                  "type": "string"
                                },
                                "number": {
                                  "maximum": 9007199254740991,
                                  "minimum": 0,
                                  "type": "integer"
                                },
                                "observed_at": {
                                  "format": "date-time",
                                  "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
                                  "type": "string"
                                },
                                "parent_hash": {
                                  "pattern": "^0x[a-f0-9]{64}$",
                                  "type": "string"
                                },
                                "policy": {
                                  "const": "finalized",
                                  "type": "string"
                                },
                                "source": {
                                  "pattern": "^[a-z0-9_-]{3,64}$",
                                  "type": "string"
                                },
                                "timestamp": {
                                  "maximum": 9007199254740991,
                                  "minimum": 0,
                                  "type": "integer"
                                },
                                "trust": {
                                  "maxLength": 256,
                                  "minLength": 1,
                                  "type": "string"
                                }
                              },
                              "required": [
                                "number",
                                "hash",
                                "parent_hash",
                                "timestamp",
                                "chain_id",
                                "policy",
                                "finalized",
                                "source",
                                "observed_at",
                                "trust"
                              ],
                              "type": "object"
                            },
                            "fields": {
                              "additionalProperties": {},
                              "propertyNames": {
                                "type": "string"
                              },
                              "type": "object"
                            },
                            "warnings": {
                              "items": {
                                "type": "string"
                              },
                              "type": "array"
                            }
                          },
                          "required": [
                            "address",
                            "block",
                            "fields",
                            "warnings"
                          ],
                          "type": "object"
                        },
                        "snapshot_id": {
                          "pattern": "^s_[a-f0-9]{64}$",
                          "type": "string"
                        },
                        "snapshot_saved": {
                          "const": true,
                          "type": "boolean"
                        },
                        "tool": {
                          "const": "fresh402_contract_watch",
                          "type": "string"
                        }
                      },
                      "required": [
                        "observation_saved",
                        "snapshot_saved",
                        "persistence",
                        "accounting",
                        "limitations",
                        "tool",
                        "snapshot_id",
                        "snapshot",
                        "comparison",
                        "events",
                        "event_coverage"
                      ],
                      "type": "object"
                    },
                    {
                      "additionalProperties": {},
                      "properties": {
                        "accounting": {
                          "additionalProperties": {},
                          "properties": {
                            "response_bytes": {
                              "maximum": 4194304,
                              "minimum": 0,
                              "type": "integer"
                            },
                            "rpc_requests": {
                              "maximum": 18,
                              "minimum": 1,
                              "type": "integer"
                            },
                            "scope": {
                              "minLength": 1,
                              "type": "string"
                            },
                            "wire_response_bytes": {
                              "maximum": 4194304,
                              "minimum": 0,
                              "type": "integer"
                            }
                          },
                          "required": [
                            "rpc_requests",
                            "response_bytes",
                            "wire_response_bytes",
                            "scope"
                          ],
                          "type": "object"
                        },
                        "comparison": {
                          "additionalProperties": {},
                          "properties": {
                            "changes": {
                              "items": {},
                              "maxItems": 32,
                              "type": "array"
                            },
                            "status": {
                              "enum": [
                                "unknown",
                                "changed",
                                "unchanged"
                              ],
                              "type": "string"
                            }
                          },
                          "required": [
                            "status",
                            "changes"
                          ],
                          "type": "object"
                        },
                        "cursor_saved": {
                          "const": false,
                          "type": "boolean"
                        },
                        "event_coverage": {
                          "additionalProperties": {},
                          "properties": {
                            "status": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "status"
                          ],
                          "type": "object"
                        },
                        "events": {
                          "items": {},
                          "maxItems": 100,
                          "type": "array"
                        },
                        "limitations": {
                          "items": {
                            "maxLength": 1024,
                            "type": "string"
                          },
                          "maxItems": 20,
                          "minItems": 1,
                          "type": "array"
                        },
                        "observation_saved": {
                          "const": false,
                          "type": "boolean"
                        },
                        "persistence": {
                          "enum": [
                            "atomic_with_financial_delivery",
                            "atomic_with_entitlement_delivery"
                          ],
                          "type": "string"
                        },
                        "persistence_error": {
                          "maxLength": 512,
                          "minLength": 1,
                          "type": "string"
                        },
                        "snapshot": {
                          "additionalProperties": {},
                          "properties": {
                            "address": {
                              "pattern": "^0x[a-fA-F0-9]{40}$",
                              "type": "string"
                            },
                            "block": {
                              "additionalProperties": {},
                              "properties": {
                                "chain_id": {
                                  "const": 8453,
                                  "type": "number"
                                },
                                "finalized": {
                                  "const": true,
                                  "type": "boolean"
                                },
                                "hash": {
                                  "pattern": "^0x[a-f0-9]{64}$",
                                  "type": "string"
                                },
                                "number": {
                                  "maximum": 9007199254740991,
                                  "minimum": 0,
                                  "type": "integer"
                                },
                                "observed_at": {
                                  "format": "date-time",
                                  "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
                                  "type": "string"
                                },
                                "parent_hash": {
                                  "pattern": "^0x[a-f0-9]{64}$",
                                  "type": "string"
                                },
                                "policy": {
                                  "const": "finalized",
                                  "type": "string"
                                },
                                "source": {
                                  "pattern": "^[a-z0-9_-]{3,64}$",
                                  "type": "string"
                                },
                                "timestamp": {
                                  "maximum": 9007199254740991,
                                  "minimum": 0,
                                  "type": "integer"
                                },
                                "trust": {
                                  "maxLength": 256,
                                  "minLength": 1,
                                  "type": "string"
                                }
                              },
                              "required": [
                                "number",
                                "hash",
                                "parent_hash",
                                "timestamp",
                                "chain_id",
                                "policy",
                                "finalized",
                                "source",
                                "observed_at",
                                "trust"
                              ],
                              "type": "object"
                            },
                            "fields": {
                              "additionalProperties": {},
                              "propertyNames": {
                                "type": "string"
                              },
                              "type": "object"
                            },
                            "warnings": {
                              "items": {
                                "type": "string"
                              },
                              "type": "array"
                            }
                          },
                          "required": [
                            "address",
                            "block",
                            "fields",
                            "warnings"
                          ],
                          "type": "object"
                        },
                        "snapshot_id": {
                          "pattern": "^s_[a-f0-9]{64}$",
                          "type": "string"
                        },
                        "snapshot_saved": {
                          "const": false,
                          "type": "boolean"
                        },
                        "tool": {
                          "const": "fresh402_contract_watch",
                          "type": "string"
                        }
                      },
                      "required": [
                        "observation_saved",
                        "snapshot_saved",
                        "persistence",
                        "accounting",
                        "limitations",
                        "tool",
                        "snapshot_id",
                        "snapshot",
                        "comparison",
                        "events",
                        "event_coverage",
                        "cursor_saved",
                        "persistence_error"
                      ],
                      "type": "object"
                    }
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793758835/bazaar-icons/ff5e17044e175886.png",
    "lastUpdated": "2026-11-06T09:21:09.484Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-06T09:21:09.298Z"
    },
    "resource": "https://api.fresh402.com/v3/contract-watch",
    "serviceName": "Fresh402",
    "tags": [
      "base",
      "smart-contract-observation",
      "finalized-state",
      "proxy-changes"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Observe code, standard proxy slots, common getters, explicitly selected storage/ABI and bounded selected events at one finalized Base address; optionally compare an owned prior snapshot. Selected single-provider evidence only; unknown controls remain unknown. Parameters/recovery: https://fresh402.com/docs/tools#blockchain"
}

What the leaf hashes

{"body":"b76802aa5ae45f02cbdeaf9841b33ff0d20bf5d82dac1eaefbad422e523dbc8e","id":3763692,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996547238787,"prev":3064971,"subject":"x402_bazaar:https://api.fresh402.com/v3/contract-watch","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0xcba18e422f8d1aeb461356c039440b8b54105191e454e5d0414b877a63fcd62e
  2. 0x026ebf1996fa34bda302c6fbe069d1d3959d380d6c617006b17195d96b86e210
  3. 0xa1c45bd2e5cffef2a522249c470a700e175b6e0e1706a481a37c57296d1d67b8
  4. 0x143c09c755da351e0d2eef1ef5c1b53953ec1817f93be7ff2d9a5b574a00de3b
  5. 0xee21134f29f6a7981ded99146ea425b7ae46fc54835165e164d9ba24940c9b2b
  6. 0x6142a8121e7f303de923be8f66e8cbe841f75a63a0ba6bda8abb47fb5a12aaa9
  7. 0xa6c8973196891b42ba1436bcd86ad674d0ecd8a72c6e64de8d2e16268c445f89
  8. 0x252710c0e67ec202d0462a297caf877367a5ab8eaaba82d4014f1d2a0b45259b
  9. 0x660e4e3f3f7a97133046459bce32f0d6ad22afc338b5d170c694948cbb0cd546
  10. 0x94487b2fbc87e70a7586e6b6d48b0ff84805255a640b864a6352e63585469f9f
  11. 0xbfd2a87c738990cc308148450531c9706191217b3320b6f8073b63707826add2
  12. 0x7af17ac934be77957763946f6c44f48570d453e0e70fce2a888fa7023380120f
  13. 0x8adc76561a69014f5efbfe19d021ea0664d3fed8933c7f2331ca9bc4a05e7625
  14. 0xb709868b438fc6927f965175a591086d7ad72d9b199a5a29849eeb222abb850e
  15. 0xa1718cabb225bcfa7e8d30571095a3947ec7e2f279fac8d2d2530d955a7def96
  16. 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
  17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
  18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
  19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON