Evidence row 1039206

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.blockchain.info/explorer-gateway-kt/x402/btc/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 BTC transaction (hex-encoded serialized transaction) (paid via x402)",
        "info": {
          "input": {
            "body": {
              "tx": "0200000001…"
            },
            "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": [
          "Bitcoin"
        ]
      }
    },
    "lastUpdated": "2026-10-28T18:49:37.488Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-28T18:49:37.286Z"
    },
    "resource": "https://api.blockchain.info/explorer-gateway-kt/x402/btc/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":"d635d58336608de35daab0001af29393a9f460d8e2b9f175d8531f1cd0b50940","id":1039206,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298279536732,"prev":null,"subject":"x402_bazaar:https://api.blockchain.info/explorer-gateway-kt/x402/btc/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. 0x8f80bfea5fee65a46292b85430b094ad345c6f0faf9c8cd2b2fbe4574b7b4ee5
2. 0x6c4b85c867f4d4635cdf1c5813e5f82450e41aecdef7682d9dd062ce7e2d4bc9
3. 0xa647f86657c1a869beedf204d4b11c4cfbdc65f878e1c153b90ad692c6e132ba
4. 0xcdc87c22d796341667641b829bc9809a7bd4b2f0e303045df82ca3c428057f3f
5. 0x26bd084fdb7cfa46cfc60f5f7db135e92b697e7a3a9407fcd29e571738e18258
6. 0x418e0de70e027817f54ee24fb13d61033abe5e656f6f48bc1e92249e2657b67c
7. 0x8fc4fe32e1be99c89ceda0f2e3ec8e248da6caf750e1269370422b8ff2efb5f9
8. 0x7ff4777e03756e2e47f39806c000b087ef1f203fd5b0c3ede1b6cae21e77128f
9. 0x22a4619fbfa9fe4daa39ab865294e213ce19cdf25237849722002fc39b543015
10. 0x9874bba230f87be21809b68920beb74e097353309ccce5f06cb95e4bc80e19e6
11. 0xf0c56d9a853c94b24e4f854604f22fab9ff9e0d840a58bb302aaa7c78e2f644d
12. 0x924a97a5d68012ac776583a7dc748c3226aabfbbbb479e996042842cb6f43fc3
13. 0x834e0aae5de1c77f23e901b21cc37833f72279146f0a5e458548b82d6bed2b7a
14. 0x2ec9677def553f2064a7e34081a129a91f7999a429ef2705c4c539a9602f3bbf
15. 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1