Evidence row 785426

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wafermap.xyz/v1/gas-now"
    ]
  ],
  "name": "wafermap.xyz/v1/gas-now",
  "owner_address": "0xefa0fdf4ca8fd79227fb9a19e5cfd24a2a864b81",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:4663",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xefa0FDf4Ca8FD79227fb9A19E5CFd24a2A864B81",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5QEQqwNpYFetT6zYi5YqJUtzoy6aQgtRQdZNcWus7JVP",
        "scheme": "exact"
      }
    ],
    "description": "Gas Now — Current gas price and latest block on Robinhood Chain or Base.",
    "extensions": {
      "bazaar": {
        "category": "onchain",
        "info": {
          "input": {
            "body": {
              "network": "robinhood"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "receipt": {
                "amountUsd": 0.001,
                "asset": "USDC",
                "ms": 1200,
                "network": "eip155:8453",
                "payer": "0x…",
                "tx": "0x…"
              },
              "resource": "gas-now",
              "result": "{ network, block, gasPriceGwei }"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "network": {
                      "description": "robinhood (default) or base.",
                      "enum": [
                        "robinhood",
                        "base"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793166422/bazaar-icons/5ef39b93b2d49e3c.png",
    "lastUpdated": "2026-10-28T17:31:39.372Z",
    "quality": {
      "l30DaysTotalCalls": 146,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-28T13:01:22.191Z"
    },
    "resource": "https://wafermap.xyz/v1/gas-now",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Gas Now — Current gas price and latest block on Robinhood Chain or Base."
}

What the leaf hashes

{"body":"5d0016844d2fcf49a6fe8063fd3bb853fbda9a10bffa3ab4f77c4fff1e64215a","id":785426,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211222410932,"prev":752000,"subject":"x402_bazaar:https://wafermap.xyz/v1/gas-now","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xf8e776631c9379634f58a5c31ff306a5b242f0d8c15869bed6cb1d95a5a37acd
2. 0x85475b181e3db549758c0af66a2cee251f2f79b31349c92ac42535e533937cf8
3. 0x81b402215f712aecda8336a8beabe0c84ff0bb95b30973c35873108f57f7c49e
4. 0x1da7907f56bca09ebd56afce5867d45176a56f59803812b5d5fd755ea2262192
5. 0x06bfcba09178818987d5502dfe2eb8882c1badb74d23e270c472bd055b147f99
6. 0xcd981ce663f34bf910c598340c4de6d8a2ac9dfd30c3f6ba70bb84e245d318e0
7. 0x530ac6f1016384690888903d184a39097c86736d3f1199eaae30fed29612954b
8. 0xee1a2c80a04705448df9588fa7c6341180a843de6c2c8687bda4ab30472089ee
9. 0xf4a7f9ab657370ad42c74d30ad8642b5a0e6ec18f4d5b740e92040d51718d73a
10. 0xae5bc42bf505ecd8d81ea4b9bc81a02d0f6b657f6776efb0e3e70300fa127441
11. 0x732f8fab98b7b478b7a49424c3365aea972e4296730405422516ea48a96361c6
12. 0xcbaa20f2ab1d4d968c64a80a4776f0f04e0604f96dd36bd268b8820e7228f3de
13. 0xfbe6c6680e81a6a4d0db9bcf0c203bf347d99dfc74bb05632f41c1864103757a
14. 0xb807f07a34f6739a39ed03265a4a5a9c71ac45230c37dc44fd915cc90aa287db
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae