Evidence row 1262742

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://base-token-check.vercel.app/weather"
    ]
  ],
  "name": "Weather Forecast",
  "owner_address": "0x5498b0aa90cd56f8962cbd136df3d3769c85f149",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5498b0Aa90cd56F8962CBd136DF3D3769C85f149",
        "scheme": "exact"
      }
    ],
    "description": "Weather forecast for any latitude/longitude: current conditions plus up to 7 local-day summaries (min/max temperature, precipitation, max wind, weather symbol) in the place's own time zone. Data from MET Norway (CC BY 4.0). For travel, tourism, events and logistics agents.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "days": 2,
              "lat": 42.6977,
              "lon": 23.3219
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "daily": [
                {
                  "data_points": 22,
                  "date": "2026-10-30",
                  "partial_day": true,
                  "precipitation_mm": 1.8,
                  "sampling": "hourly",
                  "symbol_midday": "lightrain",
                  "temperature_max_c": 12.2,
                  "temperature_min_c": 8.4,
                  "wind_speed_max_ms": 2.6
                },
                {
                  "data_points": 24,
                  "date": "2026-10-31",
                  "partial_day": false,
                  "precipitation_mm": 2.9,
                  "sampling": "hourly",
                  "symbol_midday": "cloudy",
                  "temperature_max_c": 11.9,
                  "temperature_min_c": 7.5,
                  "wind_speed_max_ms": 3.2
                }
              ],
              "disclaimer": "Forecast data from MET Norway (Norwegian Meteorological Institute) Locationforecast 2.0, licensed CC BY 4.0; daily values are aggregated by this service from MET's hourly/6-hourly series in the location's local time zone (a multi-hour period counts towards the day it starts). Forecasts are model output and can be wrong; not for safety-critical use. MET gives hourly steps for about 2.5 days, then 6-hourly steps, so later days' min/max come from fewer samples ('sampling'); 'partial_day' marks days the series only partly covers (e.g. the rest of today).",
              "forecast_updated_at": "2026-10-29T23:18:12Z",
              "lat": 42.6977,
              "lon": 23.3219,
              "now": {
                "air_pressure_at_sea_level": 1022.2,
                "air_temperature": 9.2,
                "cloud_area_fraction": 100,
                "precipitation_next_period_mm": 0,
                "relative_humidity": 91.3,
                "symbol": "cloudy",
                "time": "2026-10-30T00:00:00Z",
                "wind_from_direction": 269.9,
                "wind_speed": 2.4
              },
              "source": "MET Norway Locationforecast 2.0 (CC BY 4.0)",
              "timezone": "Europe/Sofia",
              "units": {
                "air_pressure_at_sea_level": "hPa",
                "air_temperature": "celsius",
                "cloud_area_fraction": "%",
                "precipitation_amount": "mm",
                "relative_humidity": "%",
                "wind_from_direction": "degrees",
                "wind_speed": "m/s"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "days": {
                      "default": 3,
                      "description": "Number of local calendar days to summarise (1-7)",
                      "maximum": 7,
                      "minimum": 1,
                      "title": "Days",
                      "type": "integer"
                    },
                    "lat": {
                      "description": "Latitude in decimal degrees (WGS84)",
                      "maximum": 90,
                      "minimum": -90,
                      "title": "Lat",
                      "type": "number"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees (WGS84)",
                      "maximum": 180,
                      "minimum": -180,
                      "title": "Lon",
                      "type": "number"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "title": "WeatherRequest",
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-30T09:04:43.736Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T09:04:43.63Z"
    },
    "resource": "https://base-token-check.vercel.app/weather",
    "serviceName": "Weather Forecast",
    "tags": [
      "weather",
      "forecast",
      "travel",
      "tourism",
      "geo"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Weather forecast for any latitude/longitude: current conditions plus up to 7 local-day summaries (min/max temperature, precipitation, max wind, weather symbol) in the place's own time zone. Data from MET Norway (CC BY 4.0). For travel, tourism, events and logistics agents."
}

What the leaf hashes

{"body":"5b86869b40993f84c52cb9006f13b092e1b29725a2ba748fc86a432c42d51b4c","id":1262742,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385585423182,"prev":null,"subject":"x402_bazaar:https://base-token-check.vercel.app/weather","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x5b63ed88fab1e98aa67238f2994811c2292a9681ee2102364734659389588b74
2. 0x08ff03ae1c353bec797ea3d7818a5a12da73ca735e43732c37b359d99381680b
3. 0x0fadcdb5b6c6b1641bb817bea4a7e90511480eedc8337821ccbd974869c63315
4. 0xc075d5ca058e9d40884a41c95a66bbad191bf7aeece1564e1af8f5ebc1867609
5. 0x484710b9f5e4eff623157d7a787984e70519a3f7ab701b8d49d9f9629b645735
6. 0xd783dbe01cebc016c42cd83c20de75f1c838e6fa03831efa222e92531ca19d18
7. 0x9eb7bd00d28ebf7f91668183c8c3fbb0e149a3da0aceeb8ae573f54a632e8a1d
8. 0xea3817f3b3f6f8f6a036336f36a4f8c5da7df325edf3748f5125b781efcf92da
9. 0x2d09bf5823eb479393dd2e0f161f9313788c770149155f1f7f6b8efac10977ad
10. 0xf380a112f4c134db79221e33b138a95fc60911c3a142d90ebb2dbfccfd200213
11. 0xf6a93e3a31e95124f196e54ea0c0aeeadc79c421802f8c830e13496df0218a55
12. 0x9147318c32cbb40e0578d4ca97f76a06002a95152f1b0b9a499d7bfd9e891bc6
13. 0xe40462ac4be9e0733d302c0e0df3c848b765843b82a83461994f72406640846f
14. 0xd036f65644c5bb700403844636b74b07a0ecb42fea108fce98c04207855ccb3e
15. 0x7ecc532de10b728de98de2eb2a81fbd8da2254ff32b38b6ffde14af9964fc470
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861