Evidence row 1039203

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.blockchain.info/explorer-gateway-kt/x402/sol/broadcast"
    ]
  ],
  "name": "Blockchain.info API",
  "owner_address": "0x995ffef6c39234f0bbc95cf0e84fe1b6e6e2d8e0",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bda02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x995ffeF6c39234F0bBc95cf0E84FE1B6e6e2d8e0",
        "scheme": "exact"
      }
    ],
    "description": "Paid AI-agent access to Blockchain.com Explorer API",
    "extensions": {
      "bazaar": {
        "description": "Broadcast a signed SOL transaction (base64-encoded serialized transaction) (paid via x402)",
        "info": {
          "input": {
            "body": {
              "tx": "AQAAAA…"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "format": "application/json",
            "type": "json"
          }
        },
        "method": "POST",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "tx": {
                      "description": "The signed transaction. BTC/BCH: hex-encoded serialized transaction. ETH: hex-encoded signed transaction, 0x prefix optional. SOL: base64-encoded serialized transaction.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "tx"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "const": "json"
                },
                "method": {
                  "const": "POST"
                },
                "type": {
                  "const": "http"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "explorerUrl": {
                      "type": "string"
                    },
                    "txHash": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "txHash",
                    "explorerUrl"
                  ],
                  "type": "object"
                },
                "format": {
                  "const": "application/json"
                },
                "type": {
                  "const": "json"
                }
              },
              "type": "object"
            }
          }
        },
        "serviceName": "Explorer Gateway API",
        "tags": [
          "Solana"
        ]
      }
    },
    "lastUpdated": "2026-10-28T18:49:43.77Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T18:49:43.545Z"
    },
    "resource": "https://api.blockchain.info/explorer-gateway-kt/x402/sol/broadcast",
    "serviceName": "Blockchain.info API",
    "tags": [
      "ai-agent"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Paid AI-agent access to Blockchain.com Explorer API"
}

What the leaf hashes

{"body":"4f01ad93f70e39200e42836f7ad5041218d933cec254b0639660f7072f90e74b","id":1039203,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298279529886,"prev":null,"subject":"x402_bazaar:https://api.blockchain.info/explorer-gateway-kt/x402/sol/broadcast","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xf9f2e5aae8344c14b023463ac95aef5c8db545d7539ebfd26f1d46fcaf49e547
2. 0x9fe27cd07e17284cf5aae565563044853b7b9230ba1a73133cc3f161e38c195d
3. 0xea3f96db422a231a9027cd6253fd5567802f7e181b6ad2538b79794e0e7bf418
4. 0xd826c76b0753b23326a268a196003b4773141eccd5b1952185077a3d36a10d8b
5. 0x073788b3cf836f3ab53f6706107f36079d1097ff3e8f995b9d96901407b08607
6. 0x9c8c1101fc4d84439f7e5e316dc45672956032e859a9e523ff7fa0d4b4806a08
7. 0x96ae351a7d1ade385ab347758f98e14e9accd6e004473936cf9257d00ab73ca1
8. 0x3de4e91299a3b58cd5cacc877e01d640f24ba27ae5e1a0effbfb95fdc73c39a7
9. 0x3b1c1bf147a3472a456b43145fe55ae656f5b170b31799252c8891c2e3465251
10. 0x9cbf975b72983848cf342d53aa4e95e6a476935d1b843e9241ec6c8e25877848
11. 0x7f23bfed1fdda31afa76b1c22ea7bed6e02d7596a82c39dfcea1212c92144f45
12. 0xf082b147a7521613fbe9272eab89fe351bb2d36c32cae2135effcb786b6dc16c
13. 0xa692280fe21039882d68ea89ab3cede099743aeaa4bda6812798278201af19f0
14. 0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1