Evidence row 125074

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-echo-service.onrender.com/chain/tx"
    ]
  ],
  "name": "Transaction Lookup",
  "owner_address": "0x9cc774a8ed49d89cba1a288f4a050b8f7fba77ee",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE",
        "scheme": "exact"
      }
    ],
    "description": "Look up a transaction on Base by hash. POST {\"hash\":\"0x...\"} and receive its status, block number, from and to addresses, value, gas used and effective gas price. Returns a clear not-found rather than an empty object when the hash is unknown.",
    "extensions": {
      "bazaar": {
        "category": "Infra",
        "coverImage": "https://x402-echo-service.onrender.com/icon.png",
        "info": {
          "input": {
            "body": {
              "hash": "0x962895f4b604ce745b6cd76e588d62fcf4fb59f9d6e67d0a17a7769f6ab15e4e"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "blockNumber": 34500000,
              "found": true,
              "from": "0x368C…9716",
              "gasUsed": "64210",
              "hash": "0x9628…5e4e",
              "status": "success",
              "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "value": "0"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "hash": {
                      "description": "32-byte transaction hash.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "hash"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ]
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "bodyType",
                "body",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "blockNumber": {
                      "type": "integer"
                    },
                    "found": {
                      "type": "boolean"
                    },
                    "from": {
                      "type": "string"
                    },
                    "gasUsed": {
                      "type": "string"
                    },
                    "hash": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "to": {
                      "type": "string"
                    },
                    "value": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "hash",
                    "found"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        },
        "serviceName": "Transaction Lookup",
        "summary": "Status, block, gas and transfer details for a Base transaction.",
        "tags": [
          "transaction",
          "receipt",
          "base",
          "onchain",
          "lookup"
        ]
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1787754105/bazaar-icons/222b7a4262b684da.png",
    "lastUpdated": "2026-10-09T13:14:04.553Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-09T13:14:04.372Z"
    },
    "resource": "https://x402-echo-service.onrender.com/chain/tx",
    "serviceName": "Transaction Lookup",
    "tags": [
      "transaction",
      "receipt",
      "base",
      "onchain",
      "lookup"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up a transaction on Base by hash. POST {\"hash\":\"0x...\"} and receive its status, block number, from and to addresses, value, gas used and effective gas price. Returns a clear not-found rather than an empty object when the hash is unknown."
}

What the leaf hashes

{"body":"f1ec499a8be9c9114d50454d1a3fad0c4557038012fb877645737751d37fbba6","id":125074,"kind":"listing","method":"baseline/1","observed_us":1793025625769155,"prev":null,"subject":"x402_bazaar:https://x402-echo-service.onrender.com/chain/tx","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x8e819266bc394c1bbdd5247f1d398f3df76dc29845fbf30d48fdff6679318b48
2. 0xa31d103cb6d3e3d875e7561a2c97f1a67a0a0cd9b4d652a7fd42d5c44200c4fd
3. 0xaaa7e2a72fefa9203ffb4783e143bb6feef0f532fc3dddae1fef3f9d2c88e448
4. 0xfcd48499c0f20c0196b32265127be9f399b6d494c13e32c70cd6655f08c13a30
5. 0x1e92b936746a3e60c8b4f6dc1215491bf77bc2df39ba76a05bd3d52c5e3150ce
6. 0x3ad7a096232b01c3247c9215119dde57d150b8dbcb394ce1e982547056e6dbae
7. 0xc7cff4aa9901240d53c2d79fc5a2a18f6ee9bf84dbb78f925146439c89ed59ca
8. 0x3de35c424de84dd2dd99660fefb973a262daa43715791110c45dd703c2451d66
9. 0x5c99577550148bb6939bed51ecf55ee45b15ebdb3603fb5a5d328c121e70b4c9
10. 0xb45d7f3c0bbf1dbd174936f74bee2215bba98889ae1b45f88dec07545b773ee4
11. 0xf44f104cf96a81c75851a644746103fcbe6ade398683a18e789cc91eff4537ff
12. 0x59a4efa65a01e4e2abdb3b8b7bb673db6d1c72e0f9d52dd2f94777b14a5b061c
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae