Evidence row 70515

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.x402node.dev/market/gas-forecast"
    ]
  ],
  "name": "api.x402node.dev/market/gas-forecast",
  "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": "Analyze the short-term base fee trend on Base or Ethereum to advise whether to send a transaction now or wait - a cost-optimization signal for agents that LLMs cannot compute from live blocks. gas forecast, gas trend, should i send now, gas timing, base fee trend, optimal gas time Accepts payment on Base or Solana — either network works.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "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": {
                    "chain": {
                      "description": "base (default), ethereum",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-17T15:38:48.403Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-17T15:38:48.11Z"
    },
    "resource": "https://api.x402node.dev/market/gas-forecast",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Analyze the short-term base fee trend on Base or Ethereum to advise whether to send a transaction now or wait - a cost-optimization signal for agents that LLMs cannot compute from live blocks. gas forecast, gas trend, should i send now, gas timing, base fee trend, optimal gas time Accepts payment on Base or Solana — either network works."
}

What the leaf hashes

{"body":"bc010101d3949d883c9a6d7604167cf40f454508f59203f50101d6060c43c089","id":70515,"kind":"listing","method":"baseline/1","observed_us":1793025480617880,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/market/gas-forecast","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. 0xee243097c16968fc24f47484208cb7676cc95c51578353369ce2e50764efa2f8
2. 0x0b15a9f558cc1a8b10de628435a5f5ad0032903b2757d97c8b65b4e594ef74b5
3. 0x8ec418bf2432c8cf62dc30575f5c25f690448e5614c4f143ffed513844034321
4. 0xc46c6d2636964ae64b28bd1d57c143b4628154e2a022bf7c847efe0f47fd7f20
5. 0xe826e01ce072d496294d5294294dc3e27d607c0ce6359c2ffefa8082b06d45a4
6. 0x45caff1f3f7cf42d56253e0954950fde710f60530b0cd73f4b2764749c42d136
7. 0xe9cb0b1c37e4e41d1d44e27608b6617923ba24bd4ce86bee64fa1e63df13544b
8. 0x30ea1cb402723f0b075426f012769ca387fca842ea911698089c37150edd3924
9. 0xbe476ca642a02a90ca18425f14be100b383fc9710fd40e40eb7a5b155422b7d2
10. 0x9eb304055a5a524056b573ca929d5e519ae84a141ec48926edcd8c247e89da60
11. 0x31325ab4dbdfc029b65672f927dfb6f0b046d1c4c19b63eb548ad58c295af08c
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae