Evidence row 70479

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/forex/rate/usd/cad/usd-cad"
    ]
  ],
  "name": "api.x402node.dev/forex/rate/usd/cad/usd-cad",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Live USD to CAD exchange rate (US Dollar / Canadian Dollar). Zero-param: GET returns current rate. 美元兑加元实时汇率。米ドル/カナダドル 為替レート。Tipo de cambio dólar-dólar canadiense. 달러 캐나다 달러 환율. usd cad, usd-cad, USD/CAD forex quote. Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-18T19:29:32.092Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T19:29:31.809Z"
    },
    "resource": "https://api.x402node.dev/forex/rate/usd/cad/usd-cad",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live USD to CAD exchange rate (US Dollar / Canadian Dollar). Zero-param: GET returns current rate. 美元兑加元实时汇率。米ドル/カナダドル 為替レート。Tipo de cambio dólar-dólar canadiense. 달러 캐나다 달러 환율. usd cad, usd-cad, USD/CAD forex quote. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"72533e6112f247ba8b972b01193d36e8c640c6dbadd25315216029730116bb9b","id":70479,"kind":"listing","method":"baseline/1","observed_us":1793025480369866,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/forex/rate/usd/cad/usd-cad","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x26f4b57321673cf616b8ca76ba8cbccba734b910a20867bde3f294b75455f323
2. 0x8801a251136e2673db1d7037413698abba543444b33c5e5e5a2e6c9151923a5e
3. 0x4291673b93dc65c9da1f38d6c63eb98ee15b0d31d85d73104440b34b9cc9ff35
4. 0x6b92af5b536f66758f231f2927ab985ed1d87118ef50487333dde53d79920df1
5. 0xa6303f9661072803477fa8072177de49c34c8e0a2cf862687180a56046497d3c
6. 0x486ba5d320ae874ef6fb74617be8a83a3d6e9e088c7f54ea730888f00db21a8c
7. 0x6039c552594aa223af292f9d3cf3c4b57e56d01ce922684a260e211bb4b114fb
8. 0x721a042ffb3804cb1d150619d7c41d4225e877650c98bba060485f43ad1e76d4
9. 0x674938760b2a1f5ef84165bfad68f9f03daa720ff7669a68579f5807b0a6c6c4
10. 0xad558df47956c7575e501c0b81dc4eb03d9b165e990657293028c04774a19b4c
11. 0x90f2b3a28efa276421488834f526df2e5769ef8f14ee569439eea7b97f77a866
12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae