Evidence row 426827

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": "2026-10-27T05:23:31.564Z",
    "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":"c8d949c7eaabaf21d056c9f74f9b77432693d8c289bbadb093ad3a68f50b3371","id":426827,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086311986036,"prev":409166,"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. 0x7e273e8d6966ca09b257d13f6e64af1c9f717b36e35d0fc2d1e7943a47d8bcee
2. 0xd8a1c4f64c4cb12a92d0d6b7446cf7bd6ef444c362a41ad097fb302007ffb80a
3. 0xb1f4c6c3541debbc713bcb60b10c1ebf2d6b1e901ec7be8ea16334004bcce4a6
4. 0xfa5d6936f746269bc2b09593b63d700a6c672ad76a44950c6836b7f4e2d50083
5. 0xd9d78108cecf64dc555ac02021fd9e6437afe43d1238dee71f7cbe9758d94544
6. 0x715deaad836089c3123a60e2ae0ac5c4a503031157fe0bba69c04af163fd022d
7. 0x73321030615b3fc20c4421db0c23c7f897d6186fa6c27bf96909f21686547b5c
8. 0x5e7aaae59c246d868e07165ecb076435e69471e13df748c864307f708a690153
9. 0xaf57fdf4c815c005cf66d6dd7b55f0f660f3a1d2da29804bf2690c603d0fbe2f
10. 0x63d53c86dcace63fcec156d87cf21e38de1aeee0b27dd0c2dcbfbf4a3dd56883
11. 0x868e095a0e024f898de0327309385070aef4560771a159bdc58d9e1c53b28672
12. 0x4b98c7145f5ead65ac9430579969acab10bc70758d3533f5a4fd4dbb462a2b61
13. 0xbc7cf10ae301dcdbc5db5be8c29e1b3618ffaf1c196a74cb6a9e6c4fae0bbeed
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4