Evidence row 456353

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/forex/rate/eur/usd/eur-usd"
    ]
  ],
  "name": "api.x402node.dev/forex/rate/eur/usd/eur-usd",
  "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 EUR to USD exchange rate (Euro / US Dollar). Zero-param: GET returns current rate. 欧元兑美元实时汇率。ユーロ/米ドル 為替レート。Tipo de cambio euro-dólar. 유로 달러 환율. eur usd, eur-usd, EUR/USD 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": "2026-10-27T09:56:24.157Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-21T23:13:35.29Z"
    },
    "resource": "https://api.x402node.dev/forex/rate/eur/usd/eur-usd",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live EUR to USD exchange rate (Euro / US Dollar). Zero-param: GET returns current rate. 欧元兑美元实时汇率。ユーロ/米ドル 為替レート。Tipo de cambio euro-dólar. 유로 달러 환율. eur usd, eur-usd, EUR/USD forex quote. Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"9caa2394f781fb001729833f41ef1c7825e6287b501b7fac7e05a600efefee57","id":456353,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100953248313,"prev":70465,"subject":"x402_bazaar:https://api.x402node.dev/forex/rate/eur/usd/eur-usd","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. 0x9209d7e15adb93a02f2939ee475757ba4e372ff63a4cfac90a407d1bfe0802aa
2. 0xebd53f2a716995ea30ab79c4bb75d29566281036be69b7357de5e7c63f43963a
3. 0x0446ef6b0020f5ad404f6c19c846c85482afd54aa5de2d217473e450ae63e7f6
4. 0x8674f8ba09db91c0609bb230d6e160b783e1c0a59eb97d06b21a67e2a02a21ab
5. 0xe90cf92b0c17520dec71c908279e9bbe82a35bc15539bdc5b00425166870bc1b
6. 0x8469bc598ed41cd4de92d5a639241e3184a56c3d6ad8e0b1846358d21cb96ef9
7. 0xb5ed9c434a91f00b43763e8e1f60a853f5d5475b16aac53194c61722ff6b4234
8. 0xd7990318232499cbf6687957a6fad9a489a209fd01f6f7b298a8417351a0a012
9. 0xa6da7bbdf381705b2198cae4f57b5bb8e445e0f4d81d7402dbfb9262d7ff69dd
10. 0xe907affffff95264f0996f85288596b4f1e9ff85f565151cc3226fed87cae628
11. 0xaa9773e9c492a92149563af713a17e44011b905d5edb354dd70fb0a97c82a438
12. 0xfd2b06953e26e4e360d929209ec04f8c67b7bbdc4861dbc60618fbc5f9b393f0
13. 0x5c9cbca5bb1d6be4d84e301b4e4c1a280536eb16ee98ed4add9057142c132dde
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4