Evidence row 2202556

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wetter.halowerk.com/ensemble"
    ]
  ],
  "name": "Weather Ensemble",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Single models are everywhere. This is the disagreement between them: per hour a median with a p15/p85 band, the full min/max spread, how many models still carry that hour, an agreement score, rain probability derived from pooled ensemble members rather than one deterministic run, a frost assessment, and the official DWD warnings in force for the point.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "lat": 52.21,
              "lon": 7.02
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "hours": {
                      "default": 24,
                      "description": "Forecast hours, up to 168 (seven days). Short range models drop out beyond their own horizon; the per hour \"models\" count shows it.",
                      "maximum": 168,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "lat": {
                      "description": "Latitude in decimal degrees.",
                      "maximum": 90,
                      "minimum": -90,
                      "type": "number"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees.",
                      "maximum": 180,
                      "minimum": -180,
                      "type": "number"
                    },
                    "models": {
                      "default": [
                        "icon_d2",
                        "icon_eu",
                        "knmi_harmonie_arome_netherlands",
                        "dmi_seamless",
                        "meteofrance_seamless",
                        "ukmo_seamless",
                        "ecmwf_ifs025",
                        "ecmwf_aifs025_single",
                        "gfs_seamless",
                        "gem_seamless",
                        "jma_seamless",
                        "cma_grapes_global"
                      ],
                      "description": "Restrict the comparison to a subset of the twelve models. At least two, because a comparison of one model is just a forecast.",
                      "items": {
                        "enum": [
                          "icon_d2",
                          "icon_eu",
                          "knmi_harmonie_arome_netherlands",
                          "dmi_seamless",
                          "meteofrance_seamless",
                          "ukmo_seamless",
                          "ecmwf_ifs025",
                          "ecmwf_aifs025_single",
                          "gfs_seamless",
                          "gem_seamless",
                          "jma_seamless",
                          "cma_grapes_global"
                        ],
                        "type": "string"
                      },
                      "minItems": 2,
                      "type": "array"
                    },
                    "timezone": {
                      "default": "UTC",
                      "description": "IANA zone name for the returned timestamps, for example Europe/Berlin.",
                      "type": "string"
                    },
                    "variables": {
                      "default": [
                        "temperature_2m",
                        "precipitation",
                        "wind_speed_10m"
                      ],
                      "description": "Which variables to compare. wind_direction_10m is aggregated as a circular mean with a directional consensus, weather_code as a majority vote; every other variable gets median, p15, p85, min, max and spread.",
                      "items": {
                        "enum": [
                          "temperature_2m",
                          "apparent_temperature",
                          "dew_point_2m",
                          "relative_humidity_2m",
                          "precipitation",
                          "snowfall",
                          "cloud_cover",
                          "wind_speed_10m",
                          "wind_gusts_10m",
                          "surface_pressure",
                          "pressure_msl",
                          "shortwave_radiation",
                          "cape",
                          "wind_direction_10m",
                          "weather_code"
                        ],
                        "type": "string"
                      },
                      "maxItems": 8,
                      "type": "array"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T02:25:16.3Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-02T02:25:16.136Z"
    },
    "resource": "https://wetter.halowerk.com/ensemble",
    "serviceName": "Weather Ensemble",
    "tags": [
      "x402",
      "halowerk",
      "weather_ensemble"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Single models are everywhere. This is the disagreement between them: per hour a median with a p15/p85 band, the full min/max spread, how many models still carry that hour, an agreement score, rain probability derived from pooled ensemble members rather than one deterministic run, a frost assessment, and the official DWD warnings in force for the point."
}

What the leaf hashes

{"body":"f32b2897039a02cc87efd0806e8ec1bf56e0ef43232f42bee44cc26c782bbe15","id":2202556,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646866398930,"prev":1791281,"subject":"x402_bazaar:https://wetter.halowerk.com/ensemble","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3e441e0012d2d7fb746f678d2558164ec3d0bf4ea7fe2e8363722efe1bf4f70a
2. 0xbca65b2f5deac47b9525dd8aa1efe9e55101ca982f17b264e54bc840868f4cb0
3. 0xfafbee1212f3c21b3d0ee0b82ce0ff536e14618ec1306bf8a461df7bf587883d
4. 0xdb4ff059bc8d588e7882d5e894d2784c15786fb9ef6cb8918371a46cac04fdad
5. 0xdbc526fdd783f729fb96a723ffc269f36ab0eefc3d2a3e1a75704ecfd18d326b
6. 0x35b87d7afacbb948554a595584e070e8af69f350f02d56591f2cdd6d577f5343
7. 0x624104445ee8170ac965d09b66421806992cd01836b6da506a64421272d14a1c
8. 0xaa4424f99aa7fe0659b9f21c1c558137394647f2d87c969829529adb9d7b669b
9. 0x5de5a3823213fe14af52e7860e004f0c2737b0cd14aff525bcabc7e73d12c4ad
10. 0x14bfa021db555b1b095b850bb0e618b439e1891928c48f11ec50b95c5c765b5f
11. 0xd6359ca2c1e268b80cbd6a1a39e7bf31cc48f7cc2c0c7ca155d42f73229b2dba
12. 0xb1c944b99390ba5175965090f5362380c7485dc911c281e22b9c18263ec8c4ed
13. 0x361907c755dedca0a2adf05840c4c503b2c9a3af060e2659c8c63c2a1e438de2
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af