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Evidence row 451294

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/api/block-info
Recorded
Previous row
#424720
Body SHA-256
059c8ccc5b54f145f0c9673106a90ba6a7df5245a387d49a19fb09f42a6d8ce1
Leaf
0x1a3f03e54b15a6a24235c6c119c28922348b2fc2e8533b7abba6860e5a82b499

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent402.tools/api/block-info"
    ]
  ],
  "name": "Block info",
  "owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "outputSchema": {
          "properties": {
            "baseFeePerGas": {
              "type": "string"
            },
            "gasLimit": {
              "type": "string"
            },
            "gasUsed": {
              "type": "string"
            },
            "hash": {
              "type": "string"
            },
            "network": {
              "type": "string"
            },
            "number": {
              "type": "integer"
            },
            "timestamp": {
              "type": "integer"
            },
            "timestampIso": {
              "type": "string"
            },
            "txCount": {
              "type": "integer"
            }
          },
          "required": [
            "network",
            "number",
            "hash",
            "timestamp",
            "timestampIso",
            "txCount",
            "gasUsed",
            "gasLimit",
            "baseFeePerGas"
          ],
          "type": "object"
        },
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:1329",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4663",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "upto"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      }
    ],
    "description": "Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + ISO), transaction count, gas used/limit, base fee. Pass a block number, 0x hex, or \"latest\". Keyless multi-endpoint failover.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "block": "latest",
              "network": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeePerGas": "4100000",
              "gasLimit": "180000000",
              "gasUsed": "8123456",
              "hash": "0x…",
              "network": "base",
              "number": 27000000,
              "timestamp": 1753747200,
              "timestampIso": "2026-07-29T00:00:00.000Z",
              "txCount": 142
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "block": {
                      "description": "Block number (decimal or 0x hex) or \"latest\" (default latest).",
                      "type": "string"
                    },
                    "network": {
                      "description": "ethereum / base / polygon / arbitrum / optimism (default base).",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "baseFeePerGas": {
                      "type": "string"
                    },
                    "gasLimit": {
                      "type": "string"
                    },
                    "gasUsed": {
                      "type": "string"
                    },
                    "hash": {
                      "type": "string"
                    },
                    "network": {
                      "type": "string"
                    },
                    "number": {
                      "type": "integer"
                    },
                    "timestamp": {
                      "type": "integer"
                    },
                    "timestampIso": {
                      "type": "string"
                    },
                    "txCount": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "network",
                    "number",
                    "hash",
                    "timestamp",
                    "timestampIso",
                    "txCount",
                    "gasUsed",
                    "gasLimit",
                    "baseFeePerGas"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_b4aw4uzd"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784423094/bazaar-icons/478aced8e219894c.png",
    "lastUpdated": "2026-10-27T09:48:13.568Z",
    "quality": {
      "l30DaysTotalCalls": 20,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-27T04:18:20.495Z"
    },
    "resource": "https://agent402.tools/api/block-info",
    "serviceName": "Block info",
    "tags": [
      "crypto",
      "block",
      "info",
      "header",
      "timestamp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + ISO), transaction count, gas used/limit, base fee. Pass a block number, 0x hex, or \"latest\". Keyless multi-endpoint failover."
}

What the leaf hashes

{"body":"059c8ccc5b54f145f0c9673106a90ba6a7df5245a387d49a19fb09f42a6d8ce1","id":451294,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100492999120,"prev":424720,"subject":"x402_bazaar:https://agent402.tools/api/block-info","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x1a3eeeb2d6d525c288000bdab630ff2c6525af7ad923b61b6aedf643ea3fc179
  2. 0xe9589f6d1a3e0586a805cc1eb40b10e345bafdf229772c0fe56b3070a7b023cf
  3. 0x1fd9264940513afdcb80afc7affce0b1d9bc07f6770f4af7a74ed159cfd580ad
  4. 0xd5cff447aa6f516807752f40ad4625fc9ad5b5a64c181bfbec4ecfa10c70916a
  5. 0xc258db91948f3844d2bdef898b445753a2d5d5905dd4aeb23bae238b92c6f09f
  6. 0x63a137fb440e5e44d95bb84306a9820d361adbabbd0ffa685b2c4f42dfc75701
  7. 0xbdab67fd9cd57ac8e1eff2e7e70f376efa106f7abdc74d135551868d1ac216f2
  8. 0xe39ad471ba57ee0a8698bbc92c43eb79ebc38e464d35be2a6540b50aeaf5a05b
  9. 0xd0c9bbcbedf93dbd7738df5e71de22bb7e52e522a790d0aaab2d180665c2598b
  10. 0x18dcc8ec5d08dda2711d07822e8776945073f8a3a9911b47a3fd93f1d5a1b403
  11. 0x939c306fccf6f9ecd4e13859e2994a9f95dde80f56072b4b7be22ed4cc49b483
  12. 0x864874d7fe156494acebcd974fb0ea64b6d7d6ef442b90a07ce8adbc57f7d75b
  13. 0xca0b37bb3b043ccf0f24c50fccd9c2f22b7e5290df49886008fc2ff55380fdd1
  14. 0x2064e3a2b01d0d12d5079bf720a0d0125e9703c55e92de54ad40c302469ec047
  15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
  16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
  17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON