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Evidence row 119018

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://quickbuild.quynguyenbac.workers.dev/api/base/tx
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
742da478c62844f4f13b183acc1f138954d71d7c94f39f6536a7336f75c3b954
Leaf
0x50ee8d2bada3520fda0d7cf083df59a4cd51ff1b3fb679f245e13a4d31180340

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://quickbuild.quynguyenbac.workers.dev/api/base/tx"
    ]
  ],
  "name": "QuickBuild",
  "owner_address": "0x751a4c3841be287544c371b4ee09bd3366aea7cf",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x751a4c3841bE287544C371B4EE09Bd3366AeA7cf",
        "scheme": "exact"
      }
    ],
    "description": "Look up one transaction on Base mainnet by hash: status (success, failed or pending), block, timestamp, confirmations, from/to, value, method id, gas used, effective gas price, fee split into L2 execution and L1 data fee (ETH and USD), contract created, and decoded ERC-20 Transfer events (token, symbol, from, to, amount; up to 20). Useful to confirm a payment landed. Read live from public Base RPC. All params optional: defaults to a confirmed USDC x402 payment. Unknown hash = 404, invalid...",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "hash": "0x20215b4a54f0a39995f3afbd748d7b52c3a1922685ddf08e5f694ea1e89b52bf"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "blockNumber": 52864498,
              "blockTimestamp": "2026-10-20T17:45:43.000Z",
              "chainId": 8453,
              "confirmations": 3716,
              "erc20Transfers": [
                {
                  "amount": "0.05",
                  "from": "0xA1d1C0cf717402ff3651aA4873CcF96410B01978",
                  "symbol": "USDC",
                  "to": "0x751a4c3841bE287544C371B4EE09Bd3366AeA7cf",
                  "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
                }
              ],
              "fee": {
                "totalEth": "0.000000777072788913",
                "usd": 0.001894
              },
              "from": "0xB2Bd29925CBbCEA7628279c91945Ca5B98bf371B",
              "gasUsed": 109412,
              "hash": "0x20215b4a54f0a39995f3afbd748d7b52c3a1922685ddf08e5f694ea1e89b52bf",
              "methodId": "0x82ad56cb",
              "status": "success",
              "to": "0xcA11bde05977b3631167028862bE2a173976CA11",
              "valueEth": "0"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "hash": {
                      "description": "Transaction hash (0x + 64 hex). Optional: defaults to 0x20215b4a54f0a39995f3afbd748d7b52c3a1922685ddf08e5f694ea1e89b52bf.",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "blockNumber": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "blockTimestamp": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "confirmations": {
                      "type": "integer"
                    },
                    "erc20Transfers": {
                      "items": {
                        "properties": {
                          "amount": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "from": {
                            "type": "string"
                          },
                          "symbol": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "to": {
                            "type": "string"
                          },
                          "token": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "fee": {
                      "properties": {
                        "totalEth": {
                          "type": "string"
                        },
                        "usd": {
                          "type": [
                            "number",
                            "null"
                          ]
                        }
                      },
                      "type": "object"
                    },
                    "from": {
                      "type": "string"
                    },
                    "gasUsed": {
                      "type": "integer"
                    },
                    "hash": {
                      "type": "string"
                    },
                    "methodId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "status": {
                      "enum": [
                        "success",
                        "failed",
                        "pending"
                      ],
                      "type": "string"
                    },
                    "to": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "valueEth": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T16:08:04.516Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T16:08:04.378Z"
    },
    "resource": "https://quickbuild.quynguyenbac.workers.dev/api/base/tx",
    "serviceName": "QuickBuild",
    "tags": [
      "base",
      "transaction",
      "receipt",
      "crypto",
      "onchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up one transaction on Base mainnet by hash: status (success, failed or pending), block, timestamp, confirmations, from/to, value, method id, gas used, effective gas price, fee split into L2 execution and L1 data fee (ETH and USD), contract created, and decoded ERC-20 Transfer events (token, symbol, from, to, amount; up to 20). Useful to confirm a payment landed. Read live from public Base RPC. All params optional: defaults to a confirmed USDC x402 payment. Unknown hash = 404, invalid..."
}

What the leaf hashes

{"body":"742da478c62844f4f13b183acc1f138954d71d7c94f39f6536a7336f75c3b954","id":119018,"kind":"listing","method":"baseline/1","observed_us":1793025614347283,"prev":null,"subject":"x402_bazaar:https://quickbuild.quynguyenbac.workers.dev/api/base/tx","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x50ee0e3f246f7a0495574e2d4f9ad0980bf38ae9e596e1ca9abbcd740ed21e78
  2. 0xa6bd21d73639cdfc4aee5c185d2c6fbd0eb6c50c8fa812ef306c623cfd8bf976
  3. 0xfe5ecded5fffb646e09f6da462132103a41615e916809a920d31d77592701274
  4. 0xc09392c790f792d437f0be8bfb3448b3a9d3aa7ff14d661f91f9236eca8a0189
  5. 0x4fb0687bb678cbed52cd76fed3abff3e89de6c91c704b877c26c5c2da4770ad8
  6. 0xbe13de4bb7cc300dbd903eb675fe31812264f795031843f1852cbb44a751841a
  7. 0xa5bb72ce081680118a04a27e5779098ce3690469977e3b315afad222d0f14612
  8. 0x0787aa604e3a9bccb748d14c16c68163f10d6034cc4d8b02782671a08de7ee6b
  9. 0x417ae96c21259e0ba92e9c16e22f6cdcea1d55df56b3cb0c4812519bf06e866e
  10. 0x1cf289732577ec7d4b7786636bf1c834b739571451a5cc67e3aac33256c9be46
  11. 0xfa039eb62e5d0ae9f7aaaafb0fcbceacfa661b07228233046b9a9af94e547a55
  12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
  13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON