Evidence row 122266

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tanod.dev/v1/gas/base"
    ]
  ],
  "name": "Tanod chainpeek",
  "owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
        "scheme": "exact"
      }
    ],
    "description": "Current Base gas in gwei. Use when pricing a Base tx.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": "0.005",
              "block": 41873221,
              "chain": "base",
              "gas_price_gwei": "0.006",
              "gas_price_wei": "6000000",
              "next": "For Ethereum gas, call POST /v1/chain/gas with {\"chain\": \"ethereum\"}.",
              "priority_fee_gwei": "0.001"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base_fee_gwei": {
                      "type": "string"
                    },
                    "block": {
                      "type": "integer"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "gas_price_gwei": {
                      "type": "string"
                    },
                    "gas_price_wei": {
                      "type": "string"
                    },
                    "next": {
                      "type": "string"
                    },
                    "priority_fee_gwei": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain",
                    "block",
                    "gas_price_gwei",
                    "base_fee_gwei",
                    "priority_fee_gwei",
                    "next"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_h7pxv14u"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
    "lastUpdated": "2026-10-10T23:25:32.267Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-10T23:25:31.425Z"
    },
    "resource": "https://tanod.dev/v1/gas/base",
    "serviceName": "Tanod chainpeek",
    "tags": [
      "chainpeek",
      "gas",
      "base",
      "ens",
      "calldata"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Current Base gas in gwei. Use when pricing a Base tx."
}

What the leaf hashes

{"body":"89f16537688f99ecfcd20882555dc703dc98695ee30d4d17d52e42a83b391997","id":122266,"kind":"listing","method":"baseline/1","observed_us":1793025621348167,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/gas/base","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. 0x82a31cc11a1c6b618befde36f48683e60d6824431866f6e26de00b5ab5bc347e
2. 0x4085b2a3d926668132252d1eb567f0b1f6ae6299bd00225b9704921a6626cd21
3. 0xacf4f37c0bae3a2814f9d8eef2f453c0762f8df16083e720326e8cf071727ae3
4. 0x88d3c5dd0c8ba0e860b6714b646e6efd0ce36f7da66155e0c982b227ae534d0f
5. 0x6384f066e4fc172924bbcc1174e267827b107c0bf69b2853de0a9c455141f101
6. 0x21ea61d6562fbbfb0a7d4ebe45dc8a1a6734595c3f4529ade34dced43e5096e4
7. 0xf2111dd4bae36a379f060b38f29de8b008e391b86833a443074d1506bc90cee2
8. 0x71b5b2f18b8d083e865b80c12560c7d30c31220b98e5a665d18204890195032b
9. 0xe381981faf4090d2a270681916d4ac58edcc0a97d757c7728ec01890e28d7918
10. 0x68b9c13007eacffd2dc146b099ac237e3cce9c995bb23c895d088539fb9a0df0
11. 0xc99774cfa2126cb7b4c49d6b3fd2510795689e2dec7886bdb1a009218327ef2e
12. 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae