Evidence row 456372

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/chain/base-gas"
    ]
  ],
  "name": "api.x402node.dev/chain/base-gas",
  "owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
        "scheme": "exact"
      }
    ],
    "description": "Base L2 mainnet current gas price (gwei) via LlamaRPC eth_gasPrice. Use no params. Built for AI agents pricing Base swaps, x402 settlements, and L2 deploy costs, base gas fee estimate 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": "2026-10-27T10:04:19.345Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-12T06:16:34.331Z"
    },
    "resource": "https://api.x402node.dev/chain/base-gas",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base L2 mainnet current gas price (gwei) via LlamaRPC eth_gasPrice. Use no params. Built for AI agents pricing Base swaps, x402 settlements, and L2 deploy costs, base gas fee estimate Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"6078c3f682ae42b84b7e0b5a9be96ec13eb22f5b0ad1c9c2b584f50feed65689","id":456372,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100953661556,"prev":70279,"subject":"x402_bazaar:https://api.x402node.dev/chain/base-gas","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. 0x46d3d68feba5b8e2ad1f5d4c30f5515f969f47099cb0765b220d1aff7ebd402f
2. 0xec3a08aea9616090cc6db52e9c3d91e3be03f36a1475b78da4f609e28d4efdb5
3. 0x1b055e5a465d7760065696ea1b652c99c2b030a151f7711144a232e132fd0e50
4. 0x792f5018b396c11e7e612a9997229f8fafbb22f020a48d7cb5deabacda7ef051
5. 0x0a9b64e31fa9ae36b83f64a8c7d17aa852a8dd5fd354e02b5599e3d715c8fe2c
6. 0xf70a519aadc901999c8f58838cb552be7dc5908da0b26890de535bd10a68ab4c
7. 0xd82de0b526457a5ea02bf4d39bc2507ac6142ddccfbc86f05af347e010eb113a
8. 0x5277f17d577169c72dcefaed152b5d5258734754c44dcf79320315bf34979a8f
9. 0x3877c9600c53ba554c2826ac124cc3590ed623b5cd62c17342879896c587416e
10. 0xe7dfb7a86983e740df392c84ac033dd18d0cec373e6d2f712a12e52185b672f4
11. 0x6ed6652c0a61c43ddac9d506feb91d6c0a14dfe1cb98614f64edec2e4d6f5a91
12. 0x92473b1fa79263164c4ce7d79f93b1dc8a85f63587b51a81433d1ad19b285a90
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4