Evidence row 453282

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/finance/central-rates"
    ]
  ],
  "name": "api.x402node.dev/finance/central-rates",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "12000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "全球央行政策利率：38国央行当前政策利率（美联储/欧央行/日央行/英央行/PBoC等），来自BIS官方数据，归一化JSON。含利率值/生效日/来源央行。可按国家筛选。Global central bank policy rates from BIS official data — Fed/ECB/BoJ/BoE/PBoC and 33 more, normalized. For FX carry trades, macro analysis, rate differential signals. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "string",
              "detail": "string"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "country": {
                      "description": "可选，2字母地区码筛选（如 us/cn/jp/gb/xm；不传返回全部38国）",
                      "type": "string"
                    },
                    "detail": {
                      "description": "可选，full 时附带利率定义说明（compilation）",
                      "type": "string"
                    }
                  },
                  "required": [
                    "country",
                    "detail"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T08:00:02.966Z",
    "quality": {
      "l30DaysTotalCalls": 113,
      "l30DaysUniquePayers": 19,
      "lastCalledAt": "2026-10-27T05:23:31.268Z"
    },
    "resource": "https://api.x402node.dev/finance/central-rates",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "全球央行政策利率：38国央行当前政策利率（美联储/欧央行/日央行/英央行/PBoC等），来自BIS官方数据，归一化JSON。含利率值/生效日/来源央行。可按国家筛选。Global central bank policy rates from BIS official data — Fed/ECB/BoJ/BoE/PBoC and 33 more, normalized. For FX carry trades, macro analysis, rate differential signals. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"18f0e5b1405e605685eac0007421074e2579aa796e701b99e2ebdde3e2cd3d67","id":453282,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100618036948,"prev":426827,"subject":"x402_bazaar:https://api.x402node.dev/finance/central-rates","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x2fcb6d720942788ca44365595670d90b6bc5699e27131fa25ffb06f8679bc857
2. 0x498c8a11625e74c4c4a32790299c3351fe865c18588639ea438bbbebd5a9539b
3. 0x0362424934ee37abc039e22c2b6c7c0278cc80363245c309ad49c23c8968fdcd
4. 0x74b876be09c75b2ad48a82a57610668a62845ab02151c21cf4ef29ff1d9968a7
5. 0x2ef8f1fad07c1a678c58f89be0fbe111a23b1ddc792fa54cb4f863d96f285ecf
6. 0x2d0f913f393f842dc7469fa01bcdc74e3dfc06b0596bf2d7aeb2657cbad99466
7. 0x87bcb83b36b427bfff772d0a7321b005436d56e9c3cd447d57fac91fe20d4e36
8. 0x709b9e92d6be801f2d0872cae2c5d2e1206598dbe250ebd6d3ccdc80b59b4480
9. 0x95096ad66ff79c547c9db5c86c602b550171668e51a8e1986b5f6720587f1724
10. 0x66aee0bbd2f9413f09127b3136f2c3f301609f82502a42d17636a7cd8d77199a
11. 0x20bfebc9be09c8d1bd071c02e953c031252540d9fc909484016645ed1412efc4
12. 0x2d9c2517fb6dcdc0ce42dd3a93f7e33064509cbed0a9132fb1209ec8f33ef0ab
13. 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4