Evidence row 548503

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": "2026-10-27T08:00:02.668Z"
    },
    "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":"556b9d0b4e341a971ad0e277f0f07b890ca6bfe79eb240727fa5d259c671a28c","id":548503,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133307261041,"prev":453282,"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. 0x5c149d9bb3e25e3f334202883569d1bf4d797b059bd79c15812e6d64bc63a212
2. 0x742b1c0ab4f2ab6ee0c8520fc2163c279dc26abe777691fa7febbe5b29376a74
3. 0x5eb258014648449c4c23c5424c5d13fcde56887619151b28d3b0790d4b0162ac
4. 0xf7f2aa900d4640c43f8a4f3566c6158544d783cefa3eaf3d9daa883d0f7fba70
5. 0x0745f2d0684a0a6591f4b805e3b2af06e5db13cf4712ef056f117a89fea2f253
6. 0x2644eb984ebbbf3184bcd9379300810a1d79365b78b9e6b6a60c8095217b1150
7. 0x0c79d44a580ba08e99747563ea55a2671fce223d92669c198feaab326980aa8e
8. 0x324d8b04a025bf2f27884bbc2f409a4976337c9696c2e0e47746fd70068b664f
9. 0x952ca97a51a99b9133c9042d109fcb3270a399ac6d8cf4bf8a8615b0e40d1e4e
10. 0x1b25ae666313bff38c23b2adc99821e2ce47e2eaf0ac42e14e1df786abb0c55e
11. 0x2d219b1e0544e01cd0a0543f34de9ec53392c428e9c0deac7c16fabc7482887f
12. 0x8b6f2e00ca53627a556efa28a330329defff6f53091e97b18db21c58436307cd
13. 0x5b3213451efe1e2950dd287afaede00cc8a45dfd9721ef9b3d698bde1eeb9909
14. 0x674bc1173d39130be4d15bbfc7327f8a8af87eb251e54c8d4409c7e840b9e538
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4