Evidence row 1038380

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": "2026-10-28T20:25:04.968Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-28T20:25:22.608Z"
    },
    "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":"13dc0da41f903146c4a0cf4ebe26c46a254605a9d481ddc640df965edd173ac0","id":1038380,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298268663340,"prev":124094,"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 2026-10-29 (242798 rows).

1. 0x7c7981bf2e5c16e649e69d4d00fdd3aae3cbb66f9156c844cf5e237c152ec290
2. 0x63f6393d7e420e1255e0a2ecc37ba7bf8bc6a71656f5eaaa7bd693571ed7cb89
3. 0xbb357926f2a712b4a96ce42224ed4979e3d6ac4c118aaa8979ced99eaf25aded
4. 0xfd51478a0ecea6767174d79e8646932f9cc4b1e023bdb1ad08e0f234a045b7c7
5. 0x3d22900005ad0bbf7a3ef50a1c4d299eef8819f666659f640b46641843f88b99
6. 0x16ba0ca133b0d461cb98135b513f8bb325ee501c0e2580b5ba9b0d284721270f
7. 0x95b9ef85598ad4850c474b8a18db75d527cf14c3e5cc1691140e993e31efc309
8. 0x486d2eefd5cee5ee3183f769cbc8496bfb5adb37db5e935558ef3376082452de
9. 0xdc6d34bd2862bcf8330d4d44575e13f6fdfa6ab3c2124214aa466738962e498b
10. 0xe6b3d0c4cfe1e0b7df9219857345a6a83e85b3326788fe8cb3656d699dc8a851
11. 0xda3f1e4763274c61c4ef431402f1cc870f45a1f2e63ddeea0b84b1bd02568fde
12. 0x00f631ab90d962a6637cdd8da097d0655b294a88327346bbe7b23626de3379ef
13. 0x371e975f59480e46efd44f3f221eb1d427557cbd3e6d1512735d19d762778536
14. 0x8ba80727225153704e2051c6b4fa52b7de16d7f5ad7fa0e39cd779b45b20814d
15. 0xcf94ad18fb19d78b9bda4e21e2e80e6fbf3504f3f83fee3273c11933743525c4
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1