Evidence row 73208

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://datapulse.waltsoft.net/v1/forecast"
    ]
  ],
  "name": "DataPulse",
  "owner_address": "0x318a4b4764eb37c3fcbce434713128143815fd57",
  "raw": {
    "accepts": [
      {
        "amount": "500000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "DataPulse API",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "500000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0x318A4B4764eb37c3FCBcE434713128143815FD57",
        "resource": "https://datapulse.waltsoft.net",
        "scheme": "exact"
      },
      {
        "amount": "500000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "description": "DataPulse API",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "500000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GsKr5q9TmiJQcEgUpBp2X6SmvSg3dnXuw2uxYJxgPTk8",
        "resource": "https://datapulse.waltsoft.net",
        "scheme": "exact"
      }
    ],
    "description": "NOAA HRRR 3km weather forecast at any CONUS coordinate. Returns temperature, dew point, wind, precipitation, and cloud cover for up to 18 forecast hours.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "hours": "6",
              "lat": "30.2216",
              "lon": "-97.6206"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "attribution": "NOAA High-Resolution Rapid Refresh (HRRR) via the University of Utah HRRR Zarr archive on the Registry of Open Data on AWS. Not endorsed by NOAA.",
              "coordinate": {
                "lat": 30.2216,
                "lon": -97.6206
              },
              "run": {
                "date": "20260815",
                "forecast_hour": 6,
                "hour": 0
              },
              "valid_time": "2026-08-15T06:00:00Z",
              "variables": {
                "apcp": {
                  "description": "Accumulated precipitation in forecast hour",
                  "unit": "mm",
                  "value": 0
                },
                "dpt_2m": {
                  "description": "Dew point temperature at 2m",
                  "unit": "°C",
                  "value": 22.1
                },
                "tcdc": {
                  "description": "Total cloud cover",
                  "unit": "%",
                  "value": 35
                },
                "tmp_2m": {
                  "description": "Air temperature at 2m",
                  "unit": "°C",
                  "value": 32.4
                },
                "wind": {
                  "direction_deg": 185,
                  "speed_ms": 4.2
                }
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/forecast",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "hours": {
                      "description": "Forecast hours ahead, 1-18 (default 1). One query = one hour.",
                      "type": "string"
                    },
                    "lat": {
                      "description": "Latitude in decimal degrees (CONUS coverage: ~21 to 47)",
                      "type": "string"
                    },
                    "lon": {
                      "description": "Longitude in decimal degrees (CONUS coverage: ~-135 to -60)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "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/v1788711509/bazaar-icons/809e60a9c7986847.png",
    "lastUpdated": "2026-10-23T21:56:58.783Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T21:56:58.634Z"
    },
    "resource": "https://datapulse.waltsoft.net/v1/forecast",
    "serviceName": "DataPulse",
    "tags": [
      "weather",
      "forecast",
      "noaa",
      "hrrr",
      "climate"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "NOAA HRRR 3km weather forecast at any CONUS coordinate. Returns temperature, dew point, wind, precipitation, and cloud cover for up to 18 forecast hours."
}

What the leaf hashes

{"body":"ce54bf6212238740be25296caeebc79dabc242d188a5de268c71b0fdc701417b","id":73208,"kind":"listing","method":"baseline/1","observed_us":1793025487174540,"prev":null,"subject":"x402_bazaar:https://datapulse.waltsoft.net/v1/forecast","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. 0x8c4c72ffe230a85959ecf905ebc4ba9754da44116c68c67c18d3589952b745e8
2. 0x2754cddb28fe4bdef71dd84375146bdd3102a3037157d0b93a28030c519ca01c
3. 0xd09f184b59b3cf5c6c024f69251b6a2e81f791467a6c470d5c53d2883457dac3
4. 0xa7bd09f739a00e755c4645452aeb4b0cadc03342c5f6260620ff0aa5a337f86f
5. 0x15de5fd5113f39dba0990ec57a91536d101d41f6c8866ce7e9f73f6caccd6e5f
6. 0x733592a00832e2bf6002538f90d1c7a2924e7c9f046be92bad617f34538b5443
7. 0x7f7d4c3d0d4747e9789bf7413980e14cca992d2846a614b411c4dcb941b2432d
8. 0xc9402e83e8f93454652003aac6ce5f5410b0206039d8a0b63904f66fafe021c0
9. 0xea97c8fa4c994c0b8944bb77f3b5cce1e38a71acc60fbf0903c000db8eac1aa6
10. 0xf37a2a30f04ffcfc24f46f4209ea65386afe8bdf9c467b02689e621d61bebaf5
11. 0xc0c39d9d8be0b7d600d3badab7754e326243b0d4eb60c4b5cd965d7d764d1d04
12. 0xfc86b2282cb8f91e68280efe01f3c50453c94fae2ef04af1a75d4b05d0af2b8f
13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae